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Simplify $\sin{t} + \frac{\cos{2t}}{ \sin {t}} =$?
in Mathematics by Diamond (62,510 points) | 43 views

1 Answer

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Apply double angle identity, and LCD = sin t

= (sin t^2 + cos 2t) /sin t

= (sin t^2 + cos t^2 - sin t^2) /sin t

= cos t^2/sin t , but cos/sin = 1/tan

= cos t/tan t
by Diamond (42,484 points)

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