Question

if A=60° verify that cosec² A - cot² A = 1​

Answer 1

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Answer 2

cosec²A- cot²A= 1 ...

so , cosec60 = 2/√3, cot60 = 1/√3....

put the value according to the question...

(2/√3)²- ( 1/√3)²= 1 ....

4/3 - 1/3 = 1 ...

1 = 1 ....

it is true ....verified.......

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