# Answer to Question #15431 in Trigonometry for mayra

Question #15431

simplify completely the trigonometric expressiong show all work neatly and in order

Tanx sinx secx

Tanx sinx secx

Expert's answer

tanx=sinx/cosx

secx=1/cosx

Therefore

Tanx sinx secx=sinx/cosx * sinx *1/cosx=sin

secx=1/cosx

Therefore

Tanx sinx secx=sinx/cosx * sinx *1/cosx=sin

^{2}x/cos^{2}x=tan^{2}x
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