Math, asked by deeepu3308, 11 months ago

If tan????=20/21, show that 1-sin????+cos????/1+sin????+cos????=3/7

Answers

Answered by vikhyat04
2

Answer:

Step-by-step explanation:

(1-20/29+21/29)/(1+20/29+21/29)

(30/29)/(42/29)

(30/42)

(5/7)

Hence prove

MARK BRAINIEST

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