QUESTION 17 If tan 120° = b 3 where a is a square free positive integer and b is an integer, than a+b=

Q: 3. The trigonometric equation cos²x- sin²x = 0 has the same solutions as the trigonometric equation…

A: In the given problem we have to show that two trigonometric equation has the same -solution.  If we…

Q: e. cos 20 + 14 sin? 0 = 10 over [0°, 360°)

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Q: cos 8 = - and sin 8 = √3 2 find cot 8.

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Q: Evaluate. 2tan2120° +2sin2150° -cos20° 5sin2300° +csc2150° -sec230°

A: To Evaluate. 2tan2120° +2sin2150° -cos20° 5sin2300° +csc2150° -sec230°

Q: Find the 3rd roots of 27 (cos 45° + i sin 45°) a. 3 (cos 15° + i sin 15°) C. 3 (cos 135° + i sin…

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Q: 7. Give the exact answer for cos ( sin- 13

A: Consider the given expression

Q: 9. Sec. 2.1 Simplify the following expression using exact values. (a) sin?(45°) – 2 sin(45°)…

A: To simplify:a) The expression

Q: Given z₁ = 8(cos 45° + i sin 45°) and z2 = 4(cos 210° + i sin 210°), what is 2122?

A: We are given that  z1 = 8(cos45°+ i sin45°)  z2 = 4(cos210°+i sin210°) We have to find z1*z2 We will…

Q: Prove by induction that (cos 0+i sin 0)" cos n0 +i sin ne, for all negative integers n. Question 1.…

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Q: Express 3 cis 133.8° in standard a + bi form.

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Q: 1 sin4 0 = 3/7-1/10 20 + — + co cos 82 8 cos 40

A: We need to prove the given identity.

Q: Evaluate. cos 2a if sin 3α = 2 sin a α

A: Final answer and explanation are clearly mentioned in the next section.Explanation:Please let me…

Q: 10. Write each expression in the standard form a + bi: a. [4(cos 10° + i sin 10°)]³ 4 b. [V2(cos 15°…

A: Since solve the first question for you. If youwant any specific question to be solved then please…