Inactive Tutor answered 03/18/17
Tutor
New to Wyzant
You know that tan2x + 1 = sec2x
Then,
sinx(tan2x + 1) =
sinx(sec2x) =
sinx / (cos2x) =
(sinx / cosx) * (1 / cosx) =
tanxsecx
Huguette C.
asked 03/18/17Inactive Tutor answered 03/18/17
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