SOLUTION: simplify (tan^2x)/(1-sec^2x)
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Question 1009300
:
simplify
(tan^2x)/(1-sec^2x)
Answer by
fractalier(6550)
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From (tan^2x)/(1-sec^2x), multiply top and bottom by cos^2x and get
(tan^2x)(cos^2x)/(1-sec^2x)(cos^2x) =
sin^2x /(cos^2x - 1) =
sin^2x / -sin^2x =
-1
