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Question #3f255

1 Answer

Mar 20, 2017

#1+sin^2x#

Explanation:

#(2+tan^2x/sec^2x)-1#

#(2+(sin^2x/cancel(cos^2x))/(1/cancel(cos^2x)))-1#

#2+sin^2x-1#

#1+sin^2x#

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