Math, asked by manasa6024, 11 months ago

Cosa/1-tana+sina/1-1-cota is sina+cosa

Answers

Answered by sandy1816

2

Step-by-step explanation:

cosa/1-tana+sina/1-cota

=(cos²a/cosa-sina)+(sin²a/sina-cosa)

=(cos²a/cosa-sina)-(sin²a/cosa-sina)

=cos²a-sin²a/cosa-sina

=(cosa-sina)(cosa+sina)/(cosa-sina)

=cosa+sina

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