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OpenStudy (anonymous):
Simplify the expression. cos^2x + sin^2x / cot^2x- csc^2x
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OpenStudy (anonymous):
I know the numerator= 1
OpenStudy (anonymous):
csc^2= 1+cot^2
OpenStudy (anonymous):
cot^2= 1/tan^2 ??
OpenStudy (anonymous):
so the denominator also evaluates to -1 hence the answer ...
OpenStudy (anonymous):
ok thank you
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OpenStudy (anonymous):
welcome
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