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Q: sin r - cos z 2. 1+ sin(2r)

A:

Q: 4. Solve cos x = cos 2x for the interval x E

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Q: olve the equation 5 cos? x + sin? x = 3 sin 2x for 0 <x < 27

A: In this question, the concept of a trigonometric function is applied. Trigonometric Function The…

Q: 4. Which is equal to cos? O sin O COS 2π 3

A: Given :cosπ3

Q: ) Prove that 2+sinZA Cos A-SinA

A: To Prove: cos3A-sin3AcosA-sinA=2+sin2A2

Q: 8. Show that sin a (1+ tan a) + cos a (1 + cot a) = sec a + csc a.

A:

Q: . Solve for x: 2 cos x + sin x = 2, 0<x < 27.

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Q: Find f tan 0 de. ] a. C. - In sin 0+ C - In cos 0+ C sec² 0 + C - In sec 0 + C

A: Here we have to solve the integral.

Q: Xp

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Q: Both x and y are in the domain (0, pi/2) and the value of sinx = 3/5 and cosy = 12/13. Which of the…

A: The objective of the question is to find the value of tan(x + y) given that sin(x) = 3/5 and cos(y)…

Q: 2. Simplify: cos(+ x) cos(-x) = sin(n + x) sin(x + 37)

A:

Q: (sin 20+1)d0 4. S sin²0+0

A: Given: I=∫(sin2θ+1)dθsin2θ+θ

Q: Q4: Prove that: cos?x – sin?x cos²x - 1- tan?x

A: We need to prove that cos2x-sin2xcos2x=1-tan2x We will use tanx =sin xcos x

Q: In each case find cos(2x) and cos(x/2). Do not use your calculator. 3 and 0 <x < n/2 5' 5 a. cosx =…

A: Given that cos x=3/5 and 0&lt;x&lt;π/2. We need to find cos(2x) and cos(x/2).

Q: c0.57 dz ,a > 0, b > 0. a? cos? z+b² sin² z 2 cos- t

A:

Q: Q.#10 Using sine-12/13 and << from Q. #9, please find the following. Hint: You'll need the tricks…

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Q: sin –9xdx

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Q: )-tan (-V3) 4. Find the exact value of expression sin cos -1 /2 2

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Q: 22. Ans. see a B The expression tan (A) 4 (B) 6 (C) S (D) 10 (C, D) sec* B tan² a (wherever defined)…

A: It is given that: sec2 π9+sec2 2π9+sec2 4π9=S ∑k=189cos6k0=ab where a and bhave no common factor…

Q: If sin = cos 0 0: = √/2 " determine the value of sin (20).

A: we given

Q: a 2. Find the exact value of cas(a) sin(b) given that a satisfies the equation 12a = 177 and b…

A: 12 a = 17π2b = sin-112