02-04-2017
Mathematics

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

Does anyone can help me to prove this too Thank you before class=

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ElenaClairmont ElenaClairmont

02-04-2017

[tex] \frac{1}{ cos^{2} \alpha } + \frac{1}{ sin^{2} \alpha } = \frac{ sin^{2} \alpha + cos^{2} \alpha }{ sin^{2} \alpha * cos^{2} \alpha } = \frac{1}{sin^{2} \alpha * cos^{2} \alpha} [/tex]

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