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Prove that (1-cos²A)cosec²A=1

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Prove that (1-cos²A)cosec²A=1

Posted by #Student _ 2 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Anjali Anand 2 years, 5 months ago

L.H.S

(1- COS²A ) COSEC²A = SIN² A (1/SIN²A) (SIN²A + COS² A =1) COSEC A = 1/ SIN A

HENCE PROVED

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CBSE > Class 10 > Mathematics