6. where a is in quadrant II and tan( B) = 10 Given cos(a) 3 where B is in quadrant III, what is sin (a +B)? 4. O A. 0 B. 25 о с. 7 25 O D. 1

Q: 1+cose 5. Given the expression of cose +tane, what is the equivalent identity? sine tane+1 A. C.…

A: Since you have posted multiple question in this question which are not interlinked so i have solved…

Q: 2. (a) The 4th term of an A.P is 15. The sum of the first three terms is 9. Find the first term and…

A: (a)  Given: The 4th term of an A.P is 15. The sum of the first three terms is 9. To find: The first…

Q: 4. tan 2A if tanA = -1/3 and sec >0 %3| A. ½ В. 3/4 С.- 1/3 D. - ½ 5. tan a/12 (Hint: Use half-angle…

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Q: --cos(45")? Explain. 3. Does cos

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Q: 6. If sin a = -1, what is cos a?

A: The trigonometric functions include 6 functions. The trigonometric terms can be calculated using the…

Q: Evaluate sin" 0 cos Od0 63 8x 105 63 16 105

A: Topic - integration

Q: 6. Which of the following is the equation of the sine function with amplitude 3 and period 4x ? a.…

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Q: 32. What is e in the equation sin (e- 20°) = cos (20 + 5°)? а. 150 b. 25° c. 35° d. 75°

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Q: sin dx. Use trigonometric groups- 4. cos

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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: 15. Find sec0, given that sin 0 2 ,and 0 is in QIII. 5/21 21 d.- а.- 21 21 5 16. Find cos e using…

A: Use trigonometric identity to find value

Q: 10. What is tan 315° + cos (-570°) equal to? V3 b. a.- (1+4) а.-1 V3 d. 1 -

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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: -4 b) Given cos 0 = sin? 0 = ? tan? 0 = ? cos (-0) =?

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

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Q: 4. If cos 20= -0.5 and sec 0 < 0, then where does 0 lie? A. I B. II C. II D. IV

A: Given: cos 2θ=-0.5 and sec θ&lt;0To obtain : θ lies in…

Q: you

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Q: 1.  If sec(α)=25.2/19.4, then what is the value of cos(α)? A:  16.1/19.4 B:   19.4/25.2 C:…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. If v3cot0 = 2cos0, then evaluate sin?0 – cos20 |- %3D

A: See the details solution below

Q: 1. 2 sin 0 cos 0 d0 = sin² 0 - cos? 0 or cos 20. Hint: Use trig identities. or

A: We have to prove the integration: ∫2sinθ cosθ dθ=sin2θ  or -cos2θ or -12cos2θ Proving: ∫2sinθ cosθ…

Q: What is the exact value of cos(85°) cos(65°)– sin(85°)sin(65°) ,

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Q: (in 12 1. What is the exact value of cos 2x if sin x = - 13 Quadrant III)? 12 119 C - 69 119 D. 69…

A: given sinx = -1213

Q: 4. cos 0 ==, tan 0<0 Find the exact value of sin 0. V33 O A. 7 V33 O B. 4. Ос. -33 O D. -1 4.

A: Here I am attaching image so that you understand each and every step.

Q: 9. The expression 2(sin30 9 - tan45 is equal to а. -1 с. 1 b. 0 d. 2 10. What is cos-0.32)? a:…

A: 9. let y = 2sin(30)-tan(45) we know that  tan(45) = 1 sin(30) = 0.5

Q: . If sin A = 3/5 and A is in quadrant II while cos B = 7/25 and B is in quadrant I, find sin (A +…

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Q: 32. What is e in the equation sin (e– 20º) = cos (20 + 5°)? b. 25° а. 150 с. 35° d. 75°

A: θ = 35o   explanation is given in below step