Solue the equation on the interval [o,27) a) cosla0) = - 42 %3D b.) 2 sin 2 x + 3 sin x = -1 C.) sin x = -0.7568

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A: Given:  cos x=-45, x∈π, 3π2 To Find:  To find sin x and tan x for the specified interval.

Q: → find period of 8- @yotan 2 y. 5 cos 1o* 10 yo 11

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Q: How many solutions does sin2(4x)=1/2 have in the interval (0, 5pi/8)?

A: Answer

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Q: 2. Is trigonometric substitution needed to evaluate /9 - x² dx?

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Q: (b) в — р2'а, + psin'ф а, + 2pz sin' ф а, sin²o as + 2pz sin*ф а,

A: The complete solutions are given below

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A: given expression is…

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A: Given: 1 - 3sin(θ) + 5 cos(3θ) = 0  To find the value of θ in interval 0 &lt; θ &lt; 2π

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A: By using trigonometric equation formula, we solve the given trigonometric equation.

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A: Given:

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A: Let's expand x cos(x ) , xcosx=x1-x22!+x44!-x66!+...=x-x32!+x54!-x76!+...             in 0,x To show…

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A: Topic:- trigonometry

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A: Let a = arc tan 23. Then       tan α=23 Using; 1+tan2 α=sec2 α⇒sec α=±1+tan2 α

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Q: Find the length of the path over the given interval. (6 sin(5t), 6 cos(5t)), 0 stsn

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