Question

If 2 sin theta+7 cos theta permissible values of cos theta

Answer 1

Answer:

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Step-by-step explanation:

2 sin theta+7 cos theta permissible values of cos theta?

let theta = t

2 sin t +7 cos t = √53 cos(t - arctan2/7)

t - arctan(2/7) ≤ 0 , 3π/2

t ≤ arctan(2/7) , 3π/2 + arctan(2/7)