Prove the following identities:
(1)cosec^2A-cot^4A=cosec^2A+cot^2A- cosec^2A×cot^2A.
(2)(1+s...
Mathematics, 05.12.2020 14:00 zahnjoey2470
Prove the following identities:
(1)cosec^2A-cot^4A=cosec^2A+cot^2A- cosec^2A×cot^2A.
(2)(1+sinA+cosA)^2 = 2(1+sinA)(1+cosA).
Answers: 1
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