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OpenStudy (anonymous):
Simplify this trigonometry expression. (1-sinø) (1+sinø) csc^2ø + 1
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OpenStudy (anonymous):
I got sec ^2ø for the answer, I don't know if it's correct.
OpenStudy (tkhunny):
Have you noticed that \((1-\sin(\theta))(1+\sin(\theta))\) is a sum and a difference that can be multiplied to a difference of squares?
OpenStudy (anonymous):
is csc^2ø correct?
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