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Prove -: (1+cot A- cosec A)(1+tan …

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Prove -: (1+cot A- cosec A)(1+tan A+ sec A)=2.

Posted by Aashna Singh 4 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Gautam Sinha 4 years, 11 months ago

(1+cos¢\sin¢-1/sin¢) (1+sin¢/cos¢+1/cos¢) =sin²¢+cos²+2sincos¢-1÷cos¢sin¢ =1+2sincos¢-1÷sin¢cos¢ =2

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CBSE > Class 10 > Mathematics