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

Q: 1-sine de. cos²0

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Q: Find a formula for 3cos(theta) that only involves sin(theta) or cos (theta)

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Q: -co e-tsint (1) Evaluate f tsint dt t

A: Given integral is ∫0∞e-tsinttdt. Evaluate the integral ∫0∞e-tsinttdt.

Q: Express y in terms of x if the inverse sine of x is equal to the inverse tan of y.

A: Given sin-1x=tan-1y.  Assume θ=sin-1x so sinθ=x. Therefore using identity sin2θ+cos2θ=1:…

Q: Use an identity to find the exact value of cos(theta/2) given that cos(theta)=3/7 with 270 degrees

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Q: What is the frequency of the sine wave determined by y= sin (450rx), where x is time in seconds? The…

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Q: Give the exact value of sin (cos ()). 3

A: The objective is to find the exact value of the trigonometric function.

Q: sin 0° is equal to cos 45°

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Q: cos - I resulted in a negative answer. Why is it impossible for cos to be 12 negative?

A: Let's find.

Q: Cos(270°)+sin(230°) = ?

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Q: Evaluate the exact value of cos sin 61

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Q: Find the exact value of the expression cos 5π/12 cos π/12 + sin 5π/12 sin π/12. Do not use a…

A: Let the given equation be y - y = cos5π12cosπ12+sin5π12sinπ12Let ,A = 5π12 and B = π12Then,y =…

Q: The Equivalent expression of (cos 3A) / (sin A cos A) is ?

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Q: simplify the following trigonometric equation (1+sin\theta)/(1+cos\theta)

A: Trigonometry

Q: Simplify [2(cos 10 degree + i sin 10 degree )]5 . Give your answer in trigonometric form.

A: We have to simplify: 2cos 10°+i sin 10°5 We know from de Moivre's theorem, cos x+i sin xn=cos nx+i…

Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

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Q: Can you evaluate the expression sine-1(cosine(11pi/6)) ?

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Q: a) Evaluate the following: 1 - 2 - L {sin3t cos3t} , 3 - I {sinht sint}

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Q: Which of the following is the simplified expression of 1- 1 sece sin²e cos²0 O tan²e O sec²9 cose?

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Q: Which of the following is an equivalent expression to sin 8-(sin )(cos²0)?

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Q: Given sin0= 8/17 and cos0

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