Given: cos 0 = where 0 <0<90 13 Find: cos 3y13 13 2y13 13 2/3 8/2

Q: Find cos 0 if cot 0 =4/3 and sin 0 &lt; 0.

A: Also given that sinθ&lt;0, this means sinθ is negative. So, cotθ=cosθ/sinθ means cosθ also have to…

Q: Find theta from this equation 6901551.272 2 * cos (sin-¹ (0.25 sin e)) + 193600 <34.5

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Q: Suppose cosx=-1/3, 0<x<pi. Find the exact value of tan(x/2).

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Q: cos x = 8/17, 3pi/2<x<2pi. Find cot x

A: cosx=817=BHthrefore by using right angle triangle and Pythagoras theoremH2=B2+P2172=82+P2P=225P=15

Q: Find cos 2a, if cosa =12/13and 3pi/2 &lt;a&lt;2

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Q: determine the value of theta given that 0<=theta<=2pi for cosx=-0.3178. Justify your answer.

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Q: Find   cos(u/2) if   tan u=3.908

A: We will use various trigonometric identities to solve this

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: Find cos2t given the following: sin t = -7/25 and cos t > 0

A: Let x be the adjacent side of a right angles triangle with one angle θ and let y be the opposite…

Q: If sin A=1/√10 with A in QII find cos 2A.

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Q: let cosx=-4/5, pi<2<3pi/2. find csc(x/2).

A: Solved below

Q: Determine COs x-2 = 0. correct to four decimal places, a root OF the equation sin X+3 %3D

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Q: V3 and 2 Find tan 0 if cos 0 < 0 < 27

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Q: suppose tanx = 3/4, where pi < x < 3pi/2 find the exact value of cos2x

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