24 TC Given: tano = and 7 <0 < Tt Find the exact value of: sin 20 48 A) 25 Halloween -- 336 B) 625 spring break 1152 C) 175 Valentine's Day 336 ED) 625 the 4th of July

Q: 4) m<D in triangle DEF (not shown) is 45 degrees. Lily solved for <E using Law of Sines. She got 67…

A: Given: In triangle DEF, m∠D=45° and m∠E=67. To determine: Is the given case is ambiguous.

Q: 7) cos 15°

A: Solution: As per our guidelines, we are supposed to answer only? One question ( if there are…

Q: Help me solve

A:

Q: Evaluate the expression by sketching a triangle: 1 tan(co COS (300)) 1 =

A: Given.

Q: 2) tan 20 = 0

A: According to the guideline we should have been able to do only one question at a time #1

Q: 2. Prove each identity. Show your steps and/or explain your reasoning. 2 sin x sin x 2tan x a. 1+sin…

A: To prove: 1+sin(x)sin(x)​−1−sin(x)sin(x)​=−2tan2(x)…

Q: Which multiple angle formula could be used to determine  the exact value of cos 105 º ?     sin 60…

A: For finding the angle value of cos(105)

Q: A tunnel is to be dug from A to B. Both A and B are visible from C​. If AC is 1.5341 ​miles, BC is…

A:

Q: 2) Use sum and difference formulas to find the exact value of each expression. a. sin cos 4 cos sin…

A: a)  Sinπ9cos4π9- cosπ9sin4π9 This can be converted in Sin(A-B) As, Sin(A-B) = SinA CosB - CosA SinB…

Q: 2) tan 165° 4) tan -15°

A: According to Bartleby's policy we are allowed to solve only 1 question at a time. Here's the…

Q: 41. tan (cos¹u)

A: Question No. (41): To write the expression as an algebraic expression of  if .

Q: 3. tanB + cotB = cscBsecB

A:

Q: how do I convert sin 0.9816 to degrees? I see that the answer is 75 degrees. Please can you explain…

A: By back calculation we can achieve the answer.

Q: 3)You borrou two calculators from friends, but do not Know whether they are set to work in degrees…

A:

Q: SET 4 Use identities to correctly complete each sentence. 1 If cos 0 = 0.8, and sin 0 = 0.6, then…

A: 1. tan(-θ) = - tanθ              = - sinθ/cosθ              = - 0.6/0.8              = - 0.75

Q: (G)- Find a simplified expression for tan ( sin

A: Given expression, tansin-1y9

Q: a) 3π in 34 b) sec 4x 3

A: We have to find the exact value of the trigonometric ratio.

Q: Find the exact value of sin 12 by using a sum or difference formula.

A: