Question

class x c bse maths ​10th question both

Answer 1

Explanation:

cos@=sin@

tan@=1

@=45°

cosec^2@=(cosec 45)^2=(√2)^2=2

or

sin^2@cos^2@(1+tan^2@)(1+cot^2@)=k

sin^2@cos^2@ sec^2@cosec^2@=k

(sin^2@cosec^2@)(cos^2@sec^2@)=k

1=k