Question: Solve for , in the interval 0 180, the following equations. Give your answers to 3 significant figures where they are not

Solve for θ, in the interval 0 ≤ θ ≤ 180°, the following equations. Give your answers to 3 significant figures where they are not exact.

a. 4 (sin² θ − cos θ) = 3 − 2cos θ

b. 2sin² θ = 3(1 − cos θ)

c. 4cos² θ − 5sin θ − 5 = 0

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a Lets simplify the equation 4 sin2 cos 3 2cos Expanding 4sin2 4cos 3 2cos Rearranging terms 4sin2 2cos 3 Using the identity 1 cos2 sin2 41 cos2 2cos ... View full answer

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