Use the Half-angle Formulas to find the exact value of each expression. tan 9π/ 8

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. tan 12

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

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

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Q: Use the compound angle formulae to determine the exact value of the following expressions. tan"+tan"…

A: (4) a Given that tanπ12+tanπ61-tanπ12tanπ6   It is known that tanx+y=tanx+tany1-tanxtany So,…

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. sin(15°)

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Q: Use a calculator to approximate the value of each expression, if possible.       a. arctan(−8.45)…

A: Use a calculator, to approximate the value of each expression : (a).              arctan(-8.45)…

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. sin 12

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Q: Find the exact value by using a half-angle identity. sin 75°

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Q: Find the exact value of each expression: (a) sec(arctan(2)) (b) cos(2 sin 13 (a) (b)

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

A: Explained below

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

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Q: Use a half-angle formula to find the exact value of cos3π/8.

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Q: If sin 12 1 A – VB, then, by using a half-angle formula, find 2 A В -

A: We know that the half range formula is sinθ2=1-cosθ2. Here, θ=π6.

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

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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 each expression.

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

Q: Use Half-angle Formulas to find the exact value of each expression; cos 22.5°

A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

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 the Half-angle Formulas to find the exact value of each expression. tan 7π/ 8

A: Known fact: tanx2=±1-cosx1+cosx.

Q: If cos7A = sin(A-60) where 7A is an acute angle , Find the value of A

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Q: Use Half-angle Formulas to find the exact value of each expression;

A: To find: The exact value of the expression sin-π8. Formula used: The Half angle formula: sin…

Q: Complete the half-angle identity. sin 스 =

A: To express sin(x/2) in terms of trigonometric ratios of x.

Q: 29) Use the Half-angle Formulas to find the exact value of the following expression. tan 22.5°

A: exact value of tan22.5°

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. tan(15°)

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Q: If tan pi/8 = (sqrt A) - B   then, by using a half-angle formula, find A=??  B=??

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Q: Use a half-angle formula to find the exact value of tan (pi/8).

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Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1- cos(40°)

A: (a) Consider the given trigonometric expression 1-cos40°2=1-cos2·20°2=1-1+2 sin220°2       Since,…

Q: Given tan0= -3/4, 0 is in quadrant II, find sin2 0

A: First find the angle theta in II quadrant and than use the trigonometric identities.

Q: 7) sin 62° 9) cos 60°

A: Q(9)cos(60°)=12=0.5 Ans

Q: Use a half-angle formula to find the exact value of the expression tan 112.5°

A: We have to find exact value of the expression tan112.5∘ using a half-angle formula. Explanation:…

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°

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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: cos7A = sin(A-60) where 7A is an acute angle , Find the value of A

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Q: 6) sin A

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Q: use a half-angle formula to find sin((11pi)/12) simplify your answer completely

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Q: Use an appropriate half-angle formula to find the exact value of the expression  tan(π/8)

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Q: Given that tan (θ) = - 8 / 15 and θ is in quadrant IV, find sec (θ) and csc (θ).

A: Consider the given trigonometric ratio. tanθ=-815 θ is given to be in Quadrant IV. The objective of…

Q: FIND THE EXACT VALUES OF EACH EXPRESSION sin (-4pi / 3)

A: the given expression is: sin-4π3 we have to find the exact value of the given expression.

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: Find the exact value by using a half-angle identity.  cos(5pi/12)

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Q: Use the given triangle to evaluate the expression. If necessary, express the value without a square…

A: Given:               cosπ4-sinπ4        we know that π4=45°                 =cos45°-sin45°…

Q: If sin(0) 4 and 0 is in quadrant III , then find: - 55

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Q: Use a half-angle formula to find the exact value of the expression cos 157.5°

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Q: Use a half-angle formula to find the exact value of cos 22.5°.

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Q: Use a half-angle formula to find cos 75 degree.

A: We have to find exact value of cos 75° by using half angle formula. We know half angle formula for…

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

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Q: use the unit circle to state the three basic trig ratios for 3. C)tane ()

A: Topic:- trigonometry ratios