prove that using identities (tanA+cotA)=secA*cosecA
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Answer:
(tanA+cotA)=secA*cosecA
sinA/cosA+cosA/sinA=1/cosA×1/sinA
sin^2A+cos^2A/sinA.cosA=1/cosA.sinA
1/sinA.cosA=1/cosA.sinA
1=1
proved
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