Asked by Ama
Write the trigonometric expression in terms of sine and cosine, and then simplify.
cos u + sin u tan u
cos u + sin u tan u
Answers
Answered by
Damon
cos u + sin u (sin u/cos u)
cos u + sin^2 u / cos u
cos^2u/cos u + sin^2 u/cos u
(cos^2 u + sin^2 u) / cos u
1/cos u
cos u + sin^2 u / cos u
cos^2u/cos u + sin^2 u/cos u
(cos^2 u + sin^2 u) / cos u
1/cos u
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