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Prove the following identities [6 marks]

cos 𝑥 cot 𝑥 =
1
𝑠𝑖𝑛𝑥 − 𝑠𝑖𝑛�

1 answer

cos x * cos x/sin x = cos^2 x /sinx
= (1-sin^2 x) / sin x
=(1/sin x) - sin x

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