2 sin A cos A-cos A What is the simplified form of 1-sin A+sin' Acos? A no correct answer O cotA O cosA O sinA O tanA

Q: Find the exact value of sin x, cos x, tan x, csc x, sec x, and cot x given that cos 2x= -3/7 and…

A: Since, we have been given that cos 2x=-37 where π<2x<3 π2-(i)Our aim is to find the exact…

Q: Establish each identity.

A: To establish the identity: sin(4θ)+sin(8θ)cos(4θ)+cos(8θ)=tan(6θ) Solution: We know,…

Q: find the value of sin^2(21degrees)+cos^2(21 degrees) - sin(70degrees)/cos(20degrees

A: the value of sin^2(21degrees)+cos^2(21 degrees) - sin(70degrees)/cos(20degrees

Q: 7 It is given that cosx =: 3 a Use the identities sin2x + cos?x 1 and sin x to find the exact values…

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Q: Find a simplified expression for cos(sin−1(a8))

A: The given trigonometric expression is: cossin-1a8

Q: proof 1)  (sin x + cos x)2 = 1+ 2 . sinx . cosx 2)  cos4x - sin4x = cos2x - sinn2x

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Q: sin 2πα cos αx-sin πα cos α + sin αx cos πα-cos 2πα sin αx da α sin α (2π- x)-sin α (π-x) da | α II

A: See the attachment.

Q: Multiply. Leave the answer in trigonometric form. 5(cos 10° + i sin 10°) · 8(cos 15° + i sin 15°

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Q: 5. Verify that the expression is an identity: sin? 0 = sec 0- cos 0 cos 0 6. Verify that the…

A: 5. sin2θcos θ=sec θ-cos θ6. sec2x-11+tan2x=sin2x

Q: Use the power reducing formulas to rewrite sin 5x cos 5x in terms of the first power of cosine.…

A: Consider  sin25xcos25x

Q: 6 what is sin(-x)? 7 Given that sin(x) Provide your answer below: sin ( – x) =

A: Given  Sin(x)=6/7 Sin(-x)=?

Q: How do you solve question 2 and can you show me step by step?

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Q: What is the simplified form of 2 sin A cos A-cos A 1-sin A+sin? Acos? A cosA O cotA O no correct…

A: We have to find the simplified form of the given trigonometric form.,

Q: Use an Sum or Difference Identity to find the numbers A and B:…

A: Given,           cos3π7cos2π21+sin3π7sin2π21

Q: Establish each identity.

A: Given identity is  sin4θ+sin2θcos4θ+cos2θ=tan3θ

Q: 1- cos 0 = (csc 0- cot0)² %3D 1+ cos 0 Starting with the right side, which shows the key steps in…

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Q: O) sinßcosa + cosßsina sin 60°cos 45° + Cos (G0°sin 45°

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Q: 3. Verify the identity cos(-a) 1- sin(r) COS 1+ sin(-r) =2 sec x cos(r) Show all work and justify…

A: We have to verify the identity cos(-x)1-sin(x) + 1+sin(-x)cos(x) = 2 sec x

Q: Use the power reducing formulas to rewrite sin²x cos²x in terms of the first power of cosine.…

A: Using the formulas of Cos(2x) and Cos(4x)

Q: snip

A: Use the identity tan x+y=tan x+tan y1-tan x tan y to expand tan 2θ.

Q: Find sin theta and cos theta given that sec theta = -2 and tan theta >0

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Q: Establish the identity. 1- cos 0 1+ cos =(csc 0- cot 0)? Starting with the right side, which shows…

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Q: How do I find sin Q, cos Q, and tan Q with these values: p = 3/2 q = (3√3)/2 r = 3

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Q: Find the exact value of sin 0+ cos 0 if cos 0- 23 sin 0=13 and 180° <0<270°. ... sin 0+ cos 0 =…

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Q: Verify the identity. (Simplify at each step.) 5 cos2 β − 5 sin2 β = 5 − 10 sin2 β

A: As cos2β+sin2β=1 cos2β=1-sin2β The given Left-Hand Side function is

Q: (cos 20+i sin 20)² (cos 30+i sin 30)² | 3 (cos 40+i sin 40)(cos 60+i sin 60) COS

A: The given expression is cos2θ+isin2θ2cos3θ+isin3θ2cos4θ+isin4θcos6θ+isin6θ13 use De Moivre's theorem…

Q: 52. sin sin-(-1.5)] nd rang £f-1.

A: Answer is -1.5 Explanation is given below..

Q: 46. What are the advantages to using the formula a_1- cosa tan 2 sina or tan as opposed to sina 1 +…

A: To obtain the formula for the tan half-angle, write tan x as sin xcos x and then substitute the…

Q: We work 3 200 20 4 24 1. sin 20 st 2. cos 20 3. tan 20 4. sin 2a 5. cos 2a 6. tan 2a

A: As per guidelines we can find answer to only three subparts of questions at a time. So if you need…

Q: Which expression is equal to sin^4⁡x−cos^4⁡x / sin^2⁡x−cos2^⁡x using identities?   −1   2   1…

A: Topic- trigonometry

Q: please help

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Q: 13 7. tan | sec 5. -1 4 8. sin cos I5 9. sin (sin n) 10. csc (sec '2)+ cos (tan 3

A: NOTE: As per our guidelines we are supposed to answer only one question if there are multiple…

Q: 3. Find the exact value of sin cos - cos sin . 4. Find the exact value of cos cos + sin sin .

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Q: Divide. 9 (cos (11) + i sin in (¹)) 3√3 (cos(:)+i sin()) Enter your answer by filling in the boxes.…

A: The given expression is 9cos11π6+isin11π633cosπ4+isinπ4. We have to divide the given expression.

Q: What is the general form of the measures in radians of all angles that are co terminal with 3 pi

A: We have to find  The general form of the measures in radians of all angles that are coterminal…

Q: nsidering the values of α and β for which (sin ( α - β ) over (cos ( α )cos ( β )) is defined (sin (…

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Q: Prove the identity. 9 sin(x – y) cos(x) cos(y) 9 tan(x) – 9 tan(y) %3D Use a Reciprocal Identity,…

A: Given: 9tanx-9tany=9sinx-ycosxcosy As we know that the the trigonometric identities. 1).…

Q: Establish the identity. cos (20) cot 0 + 1 1- sin (20) cot 0-1 Choose the sequence of steps below…

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Q: . Using De Moivre's theorem, prove the identities sin 70 = 7 cos esin e - 35 cos esin 0 + 21 cos?…

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Q: Find the exact value of sin(a – B) if sin a = and sin B= 13 and a and B are be sin(a- B) = (Type an…

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Q: Establish the identity. sin 0+ sin (30) cos 8- cos (30) Choose the correct sequence of steps to…

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Q: Verify the identity. (Simplify at each step.) 7 cos2 β − 7 sin2 β = 7 − 14 sin2 β 7 cos2 β − 7 sin2…

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Q: Verify the identity. sin 40 = 4 cos '0 sin 0 – 4 sin °0 cos 0

A: To prove that  sin4θ=4 cos3θ sinθ-4sin3θ cosθ

Q: 3. Simplify a. cos 20 sin 90- cos 90 sin 20 cos A b. csc A (1- 1+sin A.

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Q: How do you evaluate both sin θ and cos θ? Sinθ = 21π/4       2. Cosθ = 21π/4

A: The question given is not possible because sin theta and cos theta  maximum value is 1 , it is not…

Q: HoW Grouf B If tan'o 2tan²ß =1 Show that 2 Cos?g-cosB=- o

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Q: 4) 12 34 Cos-1 (12/34) Tan-1 (34/12) Sin-1 (34/12) Sin-1 (12/34) O Tan-1 (12/34) Cos-1 (34/12)

A: Let, the Missing angle be, x  So, we have, tan(x) = 12/34

Q: State whether the following statement is true or false. Explain. The equation sinx= sinx cos x is…

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Q: Verify the identity. (Simplify at each step.) (1 + cos α)(1 − cos α) = sin2 α   (1 + cos α)(1 − cos…

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Q: What is the simplified form of 2 sin A cos A-cos A 4? 1-sin A+sin² Acos2 A cotA O sinA O cosA O tanA…

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