Question

answer this question please​

Answer 1

Pls refer to the attachment for the solution of your question .

Imp points used in the answer :-

=> Algebraic identity a^3+b^3 = (a+b)(a^2+b^2-ab)

=> Trigonometric identiy : sin^2theta+cos^2theta=1

=>0 × any no. = 0

#Answer is option 3) 0.