Question

prove that 1 / sin square A×cos square A-sin square A/Cos square A - cos square A/ sin square A=2(sin square A+ cos square A)

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Answer 1

Answer:

sinA=cosA

⇒tanA=1

∴2tan2A+sin2A−1

=2⋅12+cos2A

=2−1sec2A

=2−11+tan2A

=2−12

=32

Step-by-step explanation:

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Answer 2

Answer:

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