Question

cotA/1-cotA + tanA/1-tanA = -1​

Answer 1

Step 1 :-

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• Refer to attachment

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Step 2 :-

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• Formulae used

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Cot Φ = cos Φ / Sin Φ ( used in 2nd step )

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⠀⠀⠀⠀Tan Φ = Sin Φ / Cos Φ ( used in 2nd step)

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