2) Find the exact value of sin 15° = sin ( -) Find two unit circle angles that subtract to 15 30°, 60°, 90', 120',. %3D 45°, 90', 135', 180", ... sin (A-B) = sin A cos B- cos A sin B 60', 120', 180°, 240", %3D .... Subture into Sum Parmule Findnd FA 11 1|

Q: Cos

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

Q: 3-) The terminal arm of an angle in standard position passes through the point (5,9). Find the…

A: Solution

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: The angle 0, is located in Quadrant III, and tan (61) = 15 cos (6,) = cot (61) = csc (61) = sec (6,)…

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Q: What is (cos(teta) + jsin(teta))n?

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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.…

A:

Q: 4. Simplify, using the double-angle formulas: 1-2 sin² (15⁰)

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Q: 2) Use sum and difference formulas to find the exact value of each expression. a. sin cos 4 cos sin…

A: a)  Sinπ9cos4π9- cosπ9sin4π9 This can be converted in Sin(A-B) As, Sin(A-B) = SinA CosB - CosA SinB…

Q: b) (4,-1)

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Q: 1 sin 8 ++ 2 tan 8 225 3 cos e 270° Find the exact value for each trigonmetric ratio seen above…

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

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Q: 3) Find the exact value of sin 165° sin (+D) Pnd two usicincle angles hac subro to 15 30°, 60°, 90°,…

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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) Verify. cot8 ese 6 %3D sin 6 tan 6

A: Use the following identities:

Q: | (csc 0)(1+ sin? 0 + sin 0 cot? 0) do а.

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Q: 7.3 Express as a cofunction of a complementary angle. (a) sin 89°41' = (b) cos- 3 c) sec 1.2 = %3D

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

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Q: Johnstown Inclined Plane The JohnstownInclined Plane in Pennsylvania is one of the longestand…

A: Given figure, Given that, A=35.4°AC=896.5 ft

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: 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