Question

prove tan²∅ - sin²∅ = tan²∅sin²∅

Answer 1

Step-by-step explanation:

let teta be A

therefore ,

(sin²A/cos²A)-sin²A=LHS

(sin²A-sin²Acos²A)/cos²A

sin²A(1-cos²A)/cos²A

sin²A/cos²A(sin²A)

=RHS

HENCE PROVED

Answer 2

Answer:

Solution in the picture......