Question

sec2 A + cosec2 A = sec2 A. cosec2 A​

Answer 1

Answer:

Do we need to prove this?

Answer 2

Answer:

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Step-by-step explanation:

L.H.S. =sec2A+cosec2A ⇒ cos 2A1 + sin A1

⇒

1/sin2A+1/cos2A

sin 2A+cos2A/sin2Acos2 A

⇒1/sin 2Acos2A

⇒cosec 2Asec2A= R.H.S

Anuj Agrawal