Asked by Cindy
prove that tan^2x+ sec^2x =1
Answers
Answered by
Steve
check for typos. what you have written is not correct.
sin^2x + cos^2x = 1
divide by cos^2
tan^2x + 1 = sec^2x
sin^2x + cos^2x = 1
divide by cos^2
tan^2x + 1 = sec^2x
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