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3.The original equation can be reduced to tan(95-35)(1+tan95tan35)- x= x, tan95tan35, i.e., x= 3, so x=3is the root number.
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The answer is 3, tan95 degrees - tan35 degrees = tan60 degrees * (1 + tan95 degrees and tan35 degrees) = root number 3 + root number 3 times tan95 degrees and tan35 degrees.
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sin95 cos95-sin35 cos35 - root number x = root number xsin95sin35 (cos95cos35).
sin95cos35-cos95sin35-cos95cos35 root number x = root number xsin95sin35
sin(95-35) = root number x (cos95-35) root number x = tan60 = root number 3 x 3
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tan(a-b)=(tana-tanb) (1+tanatanb)tan95-tan35=tan60*(1+tan95tan35)The original equation is simplified tan60*(1+tan95tan35)=root number x*(1+tan95tan35).
Root number x=tan60=root number 3 >>i.e. x=3.com.
Can't pass it**? Also word limit? Troublesome.
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Arctan root number 3 is 60 degrees. The specific solution is as follows:
arctan is the arctangent function, and the arctangent function is the inverse trigonometric function.
is the inverse of a tangent function.
The value followed by arctan is the value of the tangent function, and the value of the tangent function is the root number 3.
Let the angle be x, then tangent tanx = root number 3, x = 60 degrees.
So the arctan root number 3 is 60 degrees.
Induction formula. tan(2kπ+αtan α
tan(π/2-α)cot α
tan(π/2+α)cot α
tan(π+tan α
tan(π-tan α
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The review is as follows:By tana = 3, if a is in the first quadrant, a = 60°, (junior high school is OK, below is the high school content) if a is in the third quadrant, a = 240°.
There are two values. If you consider cycles, there are an infinite number of them.
a=60°+180°k
k is an integer. The root number is a mathematical symbol. The root sign is a symbol used to represent the opening operation of a number or an algebraic formula. If a b, then a is the nth root of b to the nth power or a is the 1 n power of b.
The open nth power handwriting and typography are denoted by the number or algebraic form written on the left side of the symbol and the area below the horizontal part above the symbol, and cannot go out of bounds.
Calligraphy normsWrite the root number:
First draw a short diagonal line to the upper right corner in the middle of the grid, and then continue to draw the lower right middle diagonal line with the strokes, and then draw a horizontal line of moderate length according to your needs near the top of the grid, and then make up for it if it is not enough. (Here only focus on stroke order and writing, according to the printing body refer to this article to imitate the writing, not hard requirements).
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By tana = 3, if a is in the first quadrant, a = 60°, (junior high school is OK, below is the high school content) if a is in the third quadrant, a = 240°.
There are two values. If you consider cycles, there are an infinite number of them.
a=60°+180°k
k is an integer.
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60 degrees or 240 degrees of tan is equal to root number three.
According to the inscription, the column calculation is as follows:
Tana Confession 3
a=arctan(√3)
180º×k+60º
k∈z<>
Induction formula. tan(2kπ+αtan α
tan(π/2-α)cot α
tan(π/2+α)cot α
tan(π+tan α
tan(π-tan α
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The arctan root rises to the elder number 3 equally: 60 degrees. The specific solution is as follows:
arctan is the arctic ascending tangent function, and the arctangent function is an inverse trigonometric function.
is the inverse of a tangent function.
The value followed by arctan is the value of the tangent function, and the value of the tangent function is the root number 3.
If the angle is x, then tangent tanx = root number 3, x = 60 degrees of imitation.
So the arctan root number 3 is 60 degrees.
Induction formula. tan(2kπ+αtan α
tan(π/2-α)cot α
tan(π/2+α)cot α
tan(π+tan α
tan(π-tan α
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tan45°=1, which is equal to the number Zheng Gen 1.
According to tan45° = right-angled edge right-angled edge, right-angled triangle plus a 45-degree angle, right-angled edge will be equal to right-angled side. tan45° =1/1=1。
sin is the hypotenuse of the opposite edge, cos is the adjacent edge than the hypotenuse, tan is the adjacent edge of the adjacent edge, and cot is the adjacent edge of the opposite edge. sin30 is one-half, 45 is two-part root, and 60 is three-part root.
Trigonometric function. The essence is the mapping between a set of arbitrary angles and a set of variables that are worth a ratio. The usual trigonometric function is in the Cartesian coordinate system of the judgment plane.
, which defines the domain.
for the entire field of real numbers.
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3=tan(60 degrees 180 degrees*n), (n is equal to the natural number.
tan is a trigonometric function.
One of them, called the Zhengtong pat wheel cutting function.
In any right-angled triangle, the ratio of the opposite side to the adjacent side corresponding to the right angle is called tangent.
In the quadrant, when tanb = 3:
If b is in the first quadrant, b = 60 degrees, and if b is in the third quadrant, b = 240 degrees, because tan is periodic, there are infinite number of He Fan. i.e. 3=60 degrees + 180 degrees *n.
From the xy axis of the coordinate system:
The image of tan is symmetrical with respect to the origin, and tan is a periodic function.
Therefore, the image of tan is periodic, the period is k (k is a natural number and k is not equal to 0), and the local belief is 3=tan (60 degrees k), k is a natural number).
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tan60 degrees is equal to root number three; In RT abc (right triangle), c = 90°, ab is the opposite side c of c, bc is the opposite side of a a, ac is the opposite side b of b, and the tangent function is tanb=b a, i.e., tanb=ac bc
In RT ABC, if the acute angle A is determined, then the ratio of the opposite side of the angle A to the adjacent side is determined, and this ratio is called the tangent of the angle A, which is denoted as Tana.
That is: tana = the opposite edge of a and the adjacent edge of a.
Triple angle formula.
sin3α=3sinα-4sin^3(α)cos3α=4cos^3(α)3cosα
Half-angle formula. sin^2(α/2)=(1-cosα)/2cos^2(α/2)=(1+cosα)/2tan^2(α/2)=(1-cosα)/1+cosα)tan(α/2)=sinα/(1+cosα)=1-cosα)/sinα
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60 degrees or 240 degrees.
According to the data of the educational shed, in the third quadrant, the application induction formula has tan240 degrees, tan(180 ten60) degrees, tan6o degrees, and root number 3, so a 240 degrees; In the first quadrant, tan60 degrees root number 3, so a 60 degrees.
tan generally refers to tangent. Tangent, a mathematical term, in RT ABC (right triangle), c=90°, ab is the chain of c on the opposite side c, bc is the opposite side of a a, ac is the opposite side b of b, and the tangent function is tanb=b a, i.e., tanb=ac bc.