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Given-
Sin2theta/costheta + costheta
Take the LCM
sin2theta+ cos2theta/costheta
According to the identity..... sin2theta+cos2theta = 1
Therefore
1/costheta = sectheta
hence proved!
Hope it helped!
Sin2theta/costheta + costheta
Take the LCM
sin2theta+ cos2theta/costheta
According to the identity..... sin2theta+cos2theta = 1
Therefore
1/costheta = sectheta
hence proved!
Hope it helped!
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