Use the figure to derive the formulas for sin COS and tan 2 sin (9) - COS tan (9) - 12 cos Ꮎ Ꮎ sin 0 1 - cos 0 2 Great job. 1 + cos 0 2 sin 0 COS 0 Fantastic job!

Q: Find all solutions to 10 cos2 r-13 cos T = -4 sec2 r+4 tan? r on 0, 27.

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Q: 2+tan x cos³ x

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Q: Evaluate the exact value of 4 /5 tan sec 4

A: The objective is to evaluate the exact value.

Q: VERIFY THE IDENTITIES

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Q: sin(sin 1 + tan (-3))

A: find the explanation below

Q: Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) COS sin (a)

A: (a) We have to express cos2α in terms of cos2α.

Q: sin?() + cos? () + tan? (4) 2 1/2 2 1 1/2

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Q: Statement cotx (sec²x - 1) = = = cosx -(sec²x - 1) sinx cosx sinx cosx sinx sinx COS.X = tant…

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Q: What is an equivalent expression in terms of sine for cos(68)?

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Q: cotx -1 cos 2x = cot x+ 1

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Q: Verify the identity. (Simplify at each step.) cos³ x sin“ x = (sin“ x – sin x)cos x cos x sin“ x =…

A: Using First Identity Of Trigonometry.

Q: For part b can you please explain how sin(k) would be the same as cos(k)

A: sin(k) and cos(k) are same in sense of there range, since the range of these function is same.…

Q: (1 + cos ?)(1 − cos ?)=sin2 ?

A: TO SHOW 1−cosx1+cosx=sin2x

Q: sin 2x 10. Simplify 1-cosx (a) 2cot x (1+ cos x) (b) sin 2x (1 + cos x) (c) sin 2x (d) - 2 tan x (1…

A: To simplify sin 2x1-cos x.

Q: 2 1 + cos2x can be simplified to: O sin²x O csc² x O cos²x O sec² x

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Q: Need help with this one (Thank you!!)

A: Step 1: R.H.S.…

Q: sec 0 – cos 0 = sin 0 tan 0

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Q: cos (+x) = CoS - sin x %3D

A: Given : cosπ2+x = -sinx

Q: If sin z + cos I 2, then the value of sin" r+ cos" z will be-

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Q: Find the value of tan sin 2 3 3 O-5

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Q: Verify the identity: 1 1+ sin + 1 1-sin/ = 2+2tan² 0.

A: The given identity is,

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

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Q: sin' t – cos' t Prove tan?t – 1 cos? t

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Q: Find exact values for cach expression using sum and difference, double and half angle, or sum to…

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Q: Prove that 1-cos2x+sin2x 1+cos2x+sin2x = tan x

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Q: 78. sin² 20 1 + cos 20 = 2 sin²0

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Q: If cos a + cos B= a and sina + sin B= b, then show that 2 sin 2a + sin 2B = 2ab 1 a2 + b2

A: given: cosα+cosβ=asinα+sinβ=b we have to show that  sin2α+sin2β=2ab1-2a2+b2 R.H.S: 2ab1-2a2+b2…

Q: Use the figure to derive the formulas for sin cos and tan sin -- COS Cos e sin 0 1- cos 0 2 Great…

A: You just need to use the 2 equation. Sin(0/2)/cos(0/2)0 is supposed to be theta