Question

solve this 2 que with proper solution

Answer 1

hey answer of 28. =1 because sin^6¢+cos^6¢=1-3sin^2¢cos^2¢


and answer of 29 is also 1

because sin^4¢+cos^4¢=1-2sin^2¢cos^2¢

Answer 2

hope this helps you
regards nishita