Find the exact value of the expression tan [cos -1 (-√3/ 2)]. Do not use a calculator..

Q: Find the exact value of the expression. sec tan 9.

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Q: What happens when you try to find tan 90  0 on your calculator? Why does thishappen?

A: Turn on t1-83 calculator and enter tan(900) using appropriate keys. Now press enter and obtain the…

Q: Find the exact value of expression.

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Q: What is the exact value of Cos- 4 ?

A: We will find the value of cos(-5π4) .Below find the solution in the image.

Q: Use a calculator to approximate the value of the expression . tan−1(−1.3) , if possible. Round your…

A: The given expression is the inverse trigonometric expression, hence the calculator helps to find the…

Q: Find without using tables, the values of cos x and sin x when cos 2x is 7/25

A: cos2x=725

Q: to simplify the expression (sinx+cos x)² are

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Q: Find the exact value of the expression, if it is defined. cos sin 2

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Q: Evaluate the expression without using a calculator. T - sin. sin cos cos

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Q: Evaluate the expression below without using a calculator. cos tan + sin-1

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Q: Find the cofunction with the same value as the given function: (a) cos(22◦) (b) tan(π/3) (c)…

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Q: sin (sin) IS KTO

A: Given-  Sin-1(sin(π/6) For angle θ between 0 to  π/2,  Sin-1(sin(θ)) = θ

Q: Find a simplified expression for tan( cos-1 ((a)/(6)))

A: Given: y=tancos-1a6 we know that cos-1x=tan-11-x2x                                similarly,…

Q: 2nd eg- how to derive tan^2x

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Q: Evaluate the expression without using a calculator. sin " + cos 4 4

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Q: Find the exact value of cos[tan(-5)-

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Q: Find the exact value of the given expression. 0(2 tan-¬() COS

A: cos2tan-143 Now let tan-143=θ⇒tanθ=43⇒sec2θ-1=43    ∵sec2x-tan2x=1⇒sec2θ-1=169      Squaring on both…

Q: 1 + tan -1 sin( cos

A: we know that…

Q: simplify sin2x +cos 2x for x =30

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Q: Without using a calculator, find the exact value TE of sinif cos = 3,0 ≤ 0 <

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Q: Use your calculator to evaluate tan(0.18) to at least 3 decimal places Calaule

A: the solution are next step...

Q: Find the exact value of the expression. tan n sin COS

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Q: Find a simplified expression for tan( cos

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Q: Find the exact value of the expression whenever it is defined.

A: (a) sintan-13=sinπ3=32 Hence the exact value is 32.

Q: tan(los +1(-)

A:

Q: 1 (a) sin- (b) cos (-) (c) tan-' (- V3) 3. 2.

A: (a) The expression is  sin-1-22 By using the property, sin-1(-x)=-sin-1(x) sin-1-22=-sin-122 Let…

Q: Find the exact value of cos tan

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Q: Find the exact value of the expression whenever it is defined.

A: Given:a cotsin-123b sectan-1-35c csccos-1-14

Q: Without using a calculator b) cos-1 (tan ()

A:

Q: 5) cos 27

A: Answer is  1 and explanation is given below

Q: Find the exact value of the expression. sin(s: () - ian (3)) - tan-1

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Q: What is the equivalent of the given expression in terms of sin x? *

A: Here we have to write an equivalent expression of the given expression:-  A=1-sec2xsec2x

Q: Evaluate without using a calculator.       sin ( cos  -1 1/2)

A: sincos-112

Q: Find the exact value of cos(arctan x)

A: The exact value of cosarctanx=

Q: Find the exact function value. 3n sin 4

A: We have to find the exact function value for sin-3π4.

Q: What is the range of 4 cos x + 1?

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Q: Evaluate without using a calculator. sin cos 3

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Q: Find a simplified expression for tan ( cos ())

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Q: Find the exact value of the expression. sin(cos-11+ tan-1 1) + (V3 +1) x 2/2

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Q: Evaluate without using a calculator. tan(cos−1 9/15)

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Q: Find the exact value of the expression whenever it is defined.

A: To find the exact value of the expression whenever it is defined.           cos-1sin 0

Q: Find all solutions to tan 3x = 1, if x is measured in radians withexact values.

A: Find all solutions to tan3x=1.

Q: Find the exact value of tan (–1740)°. 2 1

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Q: Evaluate without using a calculator.       cos ( tan  -1 1/3)

A: Given : = cos ( tan  -1 1/3)   Put tan-1 1/3 = θ         tan θ = 1/3 = cos θ  = 1/√1 + tan2 θ = 1/√1…

Q: Use a calculator to solve the equation tan2 x - 3 tan x + 1 = 0 correct to four decimal places, on…

A: To solve the equation,  tan2x-3tanx+1=0 By using substitution, Let u=tanx, u2-3u+1=0

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.