Question

prove that
1 + cos a - sin^2a/
sin a(1 + cos a)
=
cot 0​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

$\frac{1 + cosa - {sin}^{2} a}{sina(1 + cosa)} = \frac{cosa \: + {cos}^{2}a }{sina1(1 + cosa)} \\ = \frac{cosa(1 + cosa)}{sina(1 + cosa)} \\ = \frac{cosa}{sina} \\ = cota$