Find the exact value of each expression. tan15°

Q: 5. Find the quadrant where tan 405° lies, its reference angle, and also the exact value.

A:

Q: Use the Half-angle Formulas to find the exact value of each expression. cos(- 3π/ 8)

A: Half-angle Formula: 1+cosθ=2cos2θ2.

Q: Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the…

A:

Q: convert each angle in radians to degrees.     -pi/6

A: Given : The angle is -π6 .

Q: Find the exact value of each expression.

A: Given, y=tancos-1-32 or tancos-132 now find value of given expression we know, cosπ6=32 π6=cos-132…

Q: Find the exact value of each expression.   a)  Cot-1(-√3)    b) arccos(-1/2)

A: Range of Cot-1 is (0,π) In this range, it will be negative in the 2nd quadrant.  So,

Q: Find the exact value of each expression.

A: Given: tansin-135+π6

Q: Given that A = 0.99 radians in the picture below, find the length of the two legs. Enter exact…

A:

Q: Find the exact value of each expression.tan 330°

A: Let the given expression be y -y = tan330Let us take 360 as the reference angle here.Then we can…

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos 8

A: Explained below

Q: Use the reference angle to find the exact value of the given expression. 117 cos 4

A: Given : cos11π4

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos(5) 12.

A:

Q: 1 Convert -T to degrees: 9. Convert 8° to radians:

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Q: Find the exact value of each expression.

A: To find the exact value of expression

Q: Use the appropriate compound angle formula to determine the exact value of each expression. cos (T-)…

A:

Q: use the half-angle identities to find the exact values of the trigonometric expressions. csc…

A: To find the value of csc9π8 Using half identities

Q: Use the Half-angle Formulas to find the exact value of each expression. cos 165°

A: Assume an angle x. According to the half-angle formula, cos x2=±1+cos x2. The expression cos 165°…

Q: Find the exact value of the sine, cosine, and tangent of each angle. 77 2) 4 1) 330°

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Q: find the exact value of each expression.

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Q: Find the exact value of each expression.

A: To find the exact value of sin-π4. Solution: We know that, sin-x=-sinx Therefore,…

Q: Solve the given equation  tan(Theta)=7 Theta= ........... rad

A: The trigonometric equation is given by tanθ = 7 To evaluate : The value of θ

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. s 77 cos

A: Use an appropriate half angle formula to find the exact value of the expression. Cos(7π/8). Here i…

Q: Find the exact value of each expression.

A: To find the exact value of cotsin-1-12. Solution: We know that  sin-1-x=-sinx and cot-x=-cotx…

Q: Find the exact value of each expression: cos 165°

A: The given expression is cos 165°.

Q: convert each angle in degrees to radians. Express your answer as a multiple of pi; 30°

A: It is known that, 1°=π180 rad The given angle in degrees is, 30°. The objective is to convert the…

Q: Find the exact value of each expression.

A: The given expression is arccos-1 Obtain the valve of arccos-1 by using Ti-83 calculator in degree…

Q: Find the exact value of each expression. cos 7π/12

A: Consider cos 7π12= cos 3π+4π12 =cos 3π12+4π12= cos π4+π3

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos(112.5°)

A: Solving the problem by half angle formula.

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

A: Given expression: 6 cos3π4+2 tan-π3 We can write the above expression as 6 cosπ2+π4+2 tan-π3

Q: convert each angle in radians to degrees.     pi/12

A: To convert each angle in radians to degrees. π12

Q: find the exact value of each expression.

A: cos-1sin5π4

Q: Find the exact value of each expression.

A: Consider the given expression. y=sinπ6 Now, use the graphing calculator to find the value of the…

Q: Use an addition or subtraction formula to find the exact value of tan75 degrees =A√+1B√−1 A= B=

A: Consider the expression tan75 degrees The addition formula for tangent is given by

Q: Use a half-angle formula to find the exact value of the following expression. sin 67.5°

A:

Q: Use an addition or subtraction formula to find the exact value of tan 75° = A+ VB, and fill in the…

A: Values of A and B

Q: 6) sin A

A:

Q: GIVE THE REFERENCE ANGLE AND QUADRANT WHERE EACH ANGLE LIES sin 11 pi / 6

A: Here, the angle (θ) in sin 11π6 is 11π6. First, convert the angle in degrees.…

Q: Use the Half-Angle Identities to find each exact value. 5. cos 112.5°

A: We are given cos 112.5 and we have to find its exact value. The solution is given below:

Q: cos Z 12 X 35 37

A: In a right angle triangle with respect to angle θ the cosine function is defined as, cos θ=Adjacent…

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos (2)

A:

Q: Find the exact value of each expression. sin arccos 8 (a) co(arctan |(b) 6

A: (a) We need to find the exact value of the expression

Q: Find one of the solutions : tan a = 94.09_

A:

Q: Find the exact value of each expression. (a) cos(120° + 45°)

A: Disclaimer: "Since you have asked multiple questions, we will solve the first question for you.  If…

Q: Find the value of each trigonometric ratio to the nearest ten-thousandth. 7) cos X 39 15 36

A:

Q: Find the value of each trigonometric ratio. 1) tan C

A: Question 1,Given,          The triangle is shown below :

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos (+) 28 (Ⓒ) Bill

A:

Q: Use a half-angle formula or sum and difference formula to find the exact value of the expression.…

A:

Q: tan Z 35 21 28

A:

Q: Use a calculator to find the value of the acute angle θ to the nearest degree, cos u = 0.8771

A: Consider the provided information, cosθ=0.8771 Use a calculator to find the value of the acute angle…

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.