Math, asked by parulvats2587, 10 months ago

Prove that : (1) cosa/1-tana +sina/1-cota = sina + cosa

Answers

Answered by rahul4821
0

Step-by-step explanation:

cosA/1-tanA + sinA/1-cotA

cosA/1-tanA - sinA/cotA-1

cosA/1-(sinA/cosA) - sinA/(cosA/sinA)-1

cos²A/(cosA-sinA) - sin²A/(cosA-sinA)

(cos²A-sin²A)/(cosA-sinA)

cosA+sinA

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