Using the sum of difference formulas, find the exact value of sin(285°). Express your answer in the form sin(285°)=-(√a (√b + 1)) / 4 for some numbers a and b.

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Q: Problem 7: (1) Give the exact value of tan-210°. (2) Give the exact value of cos -210°. (3) Give the…

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A: Topic:- trigonometry

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A: The given triangle has measures AB=41, BC=40, AC=12 We have to find the measures of ∠A, ∠B, ∠C.

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A: Topic:- algebra

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A: see below the answer and calculation

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Q: Question 5: A sine curve is shown on the graph below. -54 -4 -2 0 -5- -10- 2 P 4 6 Find the…

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Q: Procedures and Problem Solving Using the Law of Sines In Exercises 7-24, use the Law of Sines to…

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A: cos2θ = 9 sinθ - 4as we know that cos2θ = 1 - 2 sin2(θ)

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Q: 2.5 km y 155.0°

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Q: 6-foot man walks on level ground toward a 30 foot flag pole. He notes different angles of elevation…

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Q: cos(t) - 1 sin(t) + sin(t) cos(t) + 1 ||

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A: The diameter of a Ferris wheel is 155 feet, it rotates counterclockwise at 2.5 revolutions per…

Q: Find the exact value of each expression, if it is defined. (If an answer does not exist, enter DNE.)…

A: Topic = Trigonometry

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A: The answer is in step 2.

Q: 11. Solve 3 see x-2 tan x-4 (give the general solution). 12. Solve 2 sin² x - sinx-1-0 (give the…

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

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