I need help proving a few trigonometric identities. tanA = tanA * cscA^(2) + cot(-A) csc^(2) \beta -csc^(2) \beta *sec^(2) \beta = -sec^(2) \beta cscx+cotx=(sinx)/(1-cosx) (secx+tanx)^(2) = (cscx+1)/(cscx

asked Apr 12, 2021 94.2k views

4 votes

I need help proving a few trigonometric identities.

tanA = tanA * cscA^(2) + cot(-A)

$csc^(2) \beta -csc^(2) \beta *sec^(2) \beta = -sec^(2) \beta$

cscx+cotx=(sinx)/(1-cosx)

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Answer:

i have solved them . if u can't understand. .. ask me XD