Simplify the expression by first substituting values from the table of exact values and then simplifying the resulting expression. (tan 45°tan 60°)2

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: By using Trigonometric identities, find the exact value of the expression. cos (120° – 45°). A 4 B)…

A: cos120°-45°

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

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

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Q: Simplify the expression by using a double-angle formula. cos 30 – sin 30

A: Here we have to use the double angle formula to solve the given problem. cos(2θ) = cos2(θ)  - sin2…

Q: What is an equivalent expression of Sin 21 in terms of the reference an (related acute angle)? a)…

A: To write equivalent expression for sin5π6

Q: If tan ?=91/28, find sin ?. Give a simplified, exact answer. (Do not give a decimal approximation.)…

A: As per given data: tanθ=9128 So according to this the triangle :

Q: In terms of the cosine of a positive acute angle, what is the expression for cos(19π/18)

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Q: Use double- and half-angle formulas to find the exact value of the expression tan(π/12).

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Q: Write the expression as the sine, cosine, or tangent of an angle. tan(7/15) + tan(4z/5) 1 –…

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Q: Use a half-angle formula to find the exact value of the expression tan(7π/8).

A: we have to use the half angle formula to find the exact value of the expression tan7π8. tan…

Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 2 tan(9°) (a) 1-…

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Q: Perform the indicated operation and simplify the result. tan x( cot x- cscx) The answer is .

A: Given:            tan xcot x-csc x Apply; cot x=cos xsin x and csc x=1sin x           =tan xcos xsin…

Q: Use the given information to find the exact value of the expression. (3 points) 5 3 3) tan a =- 12 ,…

A: Given thattanα=512, cosβ=-35we have to calcualte…

Q: Simplify, using the double-angle formulas: 1- 2 sin2(15°)

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Q: 4. Determine the sign (+ or -) a. cos 143 degree, b. tan 192 degree. c. tna (4 pi/5)

A: Explanation is given below..

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

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Q: Determine the EXACT value of tan 212, using an appropriate compound angle formula.

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

A:

Q: Write the expression (tan π/5 - tan π/30)/(1 + tan π/5 tan π/30) as the sine, cosine, or tangent of…

A: Formula used: tana+tanb1-tana·tanb=tana+b

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

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Q: 1 - cos(40) 2

A: We have to simplify the expression  1 - cos4θ2.

Q: The double angle formula of tan20 equal to 2tane 1-tan²20

A: We have to find the double angle formula for tan2theta

Q: Simplify each expression by first substituting values from the table of exact values and…

A: We have to simplify tan45°+tan60°2 We know that tan45°=1 and tan60°=3 Putting these values in given…

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(t/20) + tan(37/5) 1 -…

A: Using the following formulae :- tan(A + B) = (tanA +tanB)/(1-tanA tanB)  sin (A+B)= sinAcosB +…

Q: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the…

A: Here given Use the compound angle formula

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

A: Given- tan 9π8 To Use-  The Half-angle Formulas to find the exact value of above expression. Formula…

Q: Simplify the expression tan( – x) by using an appropriate compound angle formula.

A: We have to simplify the expression tanπ-x by using an appropriate compound angle formula.

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

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Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula (a) 2 tan…

A: To simplify the following parts.

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

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Q: A student wants to use a calculator to find the value of cot 25°. However, instead of entering 1 tan…

A: A student wants to use a calculator to find the value of cot 25°. However, instead ofentering 1tan…

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(t/20) + tan(4/5) 1- tan(1/20)…

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Q: Use reference angles to find the exact value of the following expression. sin 6

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Q: Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the…

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Q: write the first expression in terms of the second if the terminal point determined by t is in the…

A: To be written - tan(t) in terms of sin(t) if the terminal point determined by t is in the given…

Q: Use the formula for the cosine of the difference of two angles to find the exact value of expression…

A: We have formula, cosA-B=cosA cosB+sinA sinB. Using above formula, we will evaluate the expression…

Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. (a) cos? 38° - sin?…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: Find the exact values of

A: To find the value of, sinπ12cosπ12tanπ12

Q: Which trigonometric expression has the same value as sin 38°? A tan 52° tan 38° C cos 38° D cos 52°

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

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Q: Write the expression (tan 50° - tan 20°)/(1 + tan 50° tan 20°) as the sine, cosine, or tangent of an…

A: Given:          (tan50∘−tan20∘)(1+tan50∘tan20∘)

Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1- cos(30°) 2 (a) 1…

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Q: e a half-angle formula to find the exact value of tan 8

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Q: 1. Using the half-angle formula, simplify the following expression. sin 48° 1 + cos 48°

A: