Find the exact value of the expression. Be sure to justify your answer with the equation editor or on your paper. cos tan ()

Q: cos -1

A: Given: cos-122=θ22=cos θ12=cos θθ=π4cos-122=π4

Q: . Find the exact value of tan cos

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Q: Find the exact value of the expression cos (tan -1 3/4. Do not use a calculator..

A: Given: The given expression is

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

A:

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

A: Given: The expression tantan-12. Since, tantan-1x=x,  for all x∈-∞, ∞ Therefore,  tantan-12=2

Q: Evaluate the expression cos sin 3

A:

Q: find the exact value of tan(pi/4)

A: The exact value of tan(π4) is 1.

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: Find the exact value of the expression tan [cos -1 (4/5)]. Do not use a calculator.

A: tan [cos -1 (4/5)] We need to find the exact value of the given function.

Q: "(금)) Evaluate cos ( tan giving your answer as an exact value (no decimals)

A: Let A=costan-125

Q: Find the exact value. Do not use a calculator. 20 COS 3. 0 1 1/2

A: cosπ3=12cos(2nπ+θ)=cosθcos(π-θ)=cosθ

Q: Use a sketch to find the exact value of the expression tan [cos-1 (- 1/3)]

A: Sketch the graph of y=tancos-1x as follows:

Q: Find the exact value of tan (2 cos-1

A: We can solve the problem by applying trigonometric ratio.

Q: Find a value of x that satisfies the equation sin 20° cos (x). Submit

A:

Q: Use a sketch to find the exact value of the expression sin (cos-1√2/ 2)

A: sincos-122

Q: Use the formulas for lowering powers to rewrite the expression in terms of the first power of…

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Q: Find the exact value of the expression. cos(tan-1() 35

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Q: find the exact value of sin 300°.

A: topic - trigonometric values Sin (360-x) =-sin(x) where x is angle in degrees

Q: snip

A: To find: The exact value of tancos-1-13. Formula used: Inverse trigonometry formula: tancos-1x=1-x2x

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

A: We need to find the value of tansin-122ortansin-112

Q: Find a simplified expression for tan( cos

A:

Q: 2) cos tan -1 8. 6.

A:

Q: Find the exact value of the expression.Do not use a calculator.

A: Given:sin2π2-cosπ

Q: Find the exact value of cos.

A:

Q: Find the exact value of the expression, if it is defined. (If an answer is undefined, enter…

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Q: Find the exact value of cosl tan 12

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Q: Find the exact value for sin tan COS cos

A: Use trigonometric identity

Q: Find the exact value of the expression. tan(an-1(금)- cos-1 (금))

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Q: Find the exact value of the expression cos (sin CoS

A:

Q: Find the exact value of tan(cos-1(-4/7)).

A: Cos inverse of a negative value will lie in the second quadrant.  So there we draw a triangle, so…

Q: Find a cofunction with the same value as the given expression. sin(pi/6+x)

A: To find a cofunction of sinπ6+x

Q: Determine the value of a, (give a reason for your choice); if cos 1 tan- 3x. 4x

A: Given: cos-114x=tan-13x we know that cos-1y=tan-11-y2y similarly,…

Q: Use a calculator to find an approximate value (in radians) of the expression rounded to five decimal…

A:

Q: Use the formulas for lowering powers to rewrite the expression in terms of the first power of…

A: The key step to solve this question is use the formula- Cos2x=(1+cos(2x))/2

Q: 3.

A:

Q: Evaluate without using a calculator. sin cos 3

A:

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

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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 given below. cos(- 105°)

A:

Q: Find the exact value of the expression cos (sin-1 √2/2). Do not use a calculator..

A: To find the eact value of the expression cossin-122. Solution: Let y=sin-122 ⇒siny=22 We know that,…

Q: Use a sketch to find the exact value of the expression.

A: Given expression: tancos-1-13 Consider the value of cos-1-13=y. Therefore, the given expression…

Q: Find the exact value of the expression. "(유)) 8 tan sin

A: To find the exact value of the trigonometric expression