Does anyone can help me to prove this too?? Thank you before ....

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asked Jan 7, 2018 38.7k views

5 votes

Does anyone can help me to prove this too?? Thank you before ....

Mathematics
high-school

Jezthomp asked

by Jezthomp

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1 Answer

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$(1)/( cos^(2) \alpha ) + (1)/( sin^(2) \alpha ) = ( sin^(2) \alpha + cos^(2) \alpha )/( sin^(2) \alpha * cos^(2) \alpha ) = (1)/(sin^(2) \alpha * cos^(2) \alpha)$

Porquero answered Jan 13, 2018

by Porquero

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