1/SecФ-TanФ) - 1/ CosФ = 1/CosФ - 1/(secФ+tanФ)
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SinA/1-cosA+tanA/1+cosA= secA cosecA+cotAtaking ... Prove that sinФ/1+ cosФ +tanФ/1+cosФ= secФ.cosecФ+cotФ. 1.
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