Question

1+cos°%sin-sin%1+cos=2cot​

Answer 1

Answer:

1 + cos / sin - sin / 1 + cos

(1+ cos)² - sin² / sin(1 + cos)

(1 + cos)² - sin² / sin ( 1 + cos)

(1 + cos)² - (1 - cos²) / sin(1 + cos)

(1+ cos) [ 1 + cos - 1 + cos] / sin(1 + cos)

2cos / sin

2 cot

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