SOLUTION: a=sin(theta), express sec2(theta) as a function of a.

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Question 765915: a=sin(theta), express sec2(theta) as a function of a.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
a=sin%28theta%29
%0D%0Asec%282+%2Atheta%29=1%2Fcos%282%2Atheta%29=1%2F%281-2%2Asin%5E2%28theta%29%29%0D%0A
therefore we can write

sec%282%2Atheta%29=1%2F%281-2a%5E2%29