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Prove that (1-cos²A)cosec²A=1

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Prove that (1-cos²A)cosec²A=1
  • 1 answers

Anjali Anand 1 year, 6 months ago

L.H.S

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

                                        =1     

HENCE PROVED

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