Math, asked by beliciabarnabas, 4 months ago

pls answer this question

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Answered by Anonymous

4

Step-by-step explanation:

sin^2theta /costheta +costheta = sectheta

L.H.S = sin^2theta +cos^2theta / costheta

= sin^2theta +cos^2theta = 1

= so , 1/costheta = sectheta

= L.H.S = R.H.S (proved )

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