3) Find the exact value of sin 165° sin (+D) Pnd two usicincle angles hac subro to 15 30°, 60°, 90°, 120°, . . 45°, 90°, 135°, 180°,... sin (A + B) = sin A cos B+ cos A sin B 60', 120°, 180°, 240°, .. %3D Substitute into Sum Formula Find exact answers Multiply Fractions Subtract Fractions

Q: Cos

A: According to the guideline we should have been able to solve only one question at a time

Q: Differentiate. b) p=(1+4g*) tan 3 -(2g*)

A: Given,           p=1+4q43tan-12q2

Q: 20. Prove that an angle of 0 radians is constructible if and only if the real number cose(sine)…

A: Since θ is constructible, by definition, (cosθ, sinθ) is a constructible point.

Q: A+B+C = 180° then Sin At SinB+ Sin C = cotA cot B Sin A+ SinB Sin C 2. show that.

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Q: 20. Prove that an angle of 0 radians is constructible if and only if the real number cose(sine)…

A: Since θ is constructible, by definition, (cosθ, sinθ) is a constructible point.

Q: 8. Which is the exact value of tan 75° using sum of tangent ? A. V2 + 3 B. 2 + V3 C. V2 + V3 D. V2 +…

A: Consider an expression: tan 75°……1

Q: f sin' s /cosada =? O a. 2 cos a cos: coss + C O b. + C Oc. 2) +c 1/2 은 + C O d. cosa - 3 Oe. O e.…

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Q: Draw a right angled triangle with another angle θ such that sinθ = 5 13. Find tan(θ) from this…

A: Assume that triangle ABC is a right angle triangle and angle B is 90 degree.

Q: let A and B be positive angles les than 360 degree with a secA=-17/8, in quadrant 2 and with tan…

A: Let A and B be positive angles less than 360 degree with a secA=-17/8, in quadrant 2 and with tan…

Q: If z = 4 - 3i in cartesian coordinates then z = 5ei® where 0(in radians) is: a. tan-'(4/3) + pi b.…

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Q: c. sin? 0 -2cos? 0 = 0 over [0°, 360°)

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Q: Here and method M₁ = tano = y M₂₁₂ = tand ₂ So tano = 0 O = 4 25 4-04 1 +1-6 tan" (1.3846) 154.16…

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Q: If angle x is in standard position such that tan=-8/6 & Sece > 0 determine the exact value of Csce

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Q: (2) If cos(0) = and sin(0) = which quadrant does the angle belong to? Explain your answer in at most…

A: Given; Cos(theta)=40/41,  Sin(theta)=-9/41

Q: c) cos (315 °) d) sin (-30°) e) cos (330°) f) tan (150°) g) sin (225°) h) cos (210°)

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

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Q: Angles A and B are both in the first quadrant (in the interval [0,-)). Given sin(A) = 221 and tan(B)…

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Q: than

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Q: Complete the Table 13.) I Quadrant sin 0 cos Ꮎ 3/5 ? 14.) II 5/13 ? 15.) II ? -24/25 16.) IV ? 15/17…

A: as per Q&A rules we have to answer only first 3 questions