1 cos 28+ sin 20 1+ cos 28+ sin 20 tan e

Q: -2x Compute fo 1 do 1+cos² @de

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Q: 2, 3π cot²( -B) if sin 2ẞ 4 5

A: Answer : 1.1879Let me know if you have any question, and please don't forget rate my…

Q: 5) - sec2 x y And the ares Of the Shadid regran 3- 2- y = cos x х 4 - KN

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Q: u + (1+ сos u) = 0

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Q: Prove : (1 - cos E)(1 + cos €)(1 + cot²0) = 1 %3D

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Q: sin(tan-1))

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Q: 1. Prove cos 8-sin 8 cos 8 + sin e = sec 28 tan 20.

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Q: (2) Prove that TT/2 S tane Z coś 0 (1 + tano) ² 11 #la

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Q: Prove that the identity is true.

A: Given a). b).

Q: 3) Show that 1 + cot Pe=csc²e. CSC

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Q: 3- If xy=cotxy, and x=u" u+1 Cosu +4 find , 허 du

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Q: *k) 1- (sinº x+cos x) = 3 sin² x cos²x

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Q: Find the exact value of cos 0- if the termin side of 0- in standard position contains (6,-8)

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Q: 2, 3π cot²( -B) if sin 2ẞ 4 5

A: See the attachment.Explanation:

Q: H-W/ Prove that the Ah root of (-1) are a, ew, awim a w* Since a= cos CF) +i Sin () W= COS (2 )a i…

A: We know that  e^(ix) = cos(x) + i sin(x)  ( cos(x) + i sin(x) )^n = cos(nx) + i sin(nx)

Q: 11) cos x csc X tan x - 1 11) 12) cos2x - sin2x = 1 - 2 sin²x 12)

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Q: Find cot 0. A) B) 11 11 A Clear selection

A: we use Trigonometry ratios  Cot(x) = Base/(perpendicular)  Cos(x) = Base /(Hypotenuse)

Q: 7) 3sin²x - cos²x = 0

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Q: 9-simplify sin 3π/4 сos π/3 +cos 3π/3 sin π/3 a) Sin 13π/12 b) Sin 5π/12 c) Cos 13/12 d) Cos 5π/12

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Q: sin0+cosØ secф+csc® + secф—csc@ sin0-cosØ

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Q: b) 2 cos² x + 3 cosx+1 = 0

A: Step 1:   Step 2: Step 3: Step 4:

Q: Show that n. In(cos 2k+2) = - In (2"+ sin 2n+2). k=0 Hint: sin 20 = 2 sin 0 cos 0.

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Q: b) (2 cos² B-1)² cos4 B-sin4 B = 1-2 sin² ß

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Q: tanz=zt ² + 3²/³ + 1/ 2²³² + ...

A: According to our policy we are allowed to solve one question at a time. So please post questions if…

Q: 1) cos- 0 V3 3) cos-! 5) sin--1 7) cos-1

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