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Sec²A-cosec²A=(tanA+cotA)(tanA-cotA)​
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Sec²A-cosec²A=(tanA+cotA)(tanA-cotA)​

User Btbenjamin
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1 Answer

4 votes

Answer:

Explanation:

Sec²A-cosec²A=(tanA+cotA)(tanA-cotA)

Tan^2A+1-cot^2A-1=(tan^2A-cot^2A)

tan^2A-cot^2A=tan^2A-cot^2A

L.H.S=R.H.S

Hence proved.

User Oldtechaa
by
8.5k points
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