Question

2( sin^6 theta + cos ^6 theta - 3(sin^4 theta + cos ^4 theta ) =-1​

Answer 1

please see the attachment

Answer 2

${\huge{\underline{\underline{\underline{Question}}}}}$

Prove that

$2( {sin}^{6} \theta \: + {cos}^{6}\theta \: - 3( { \sin }^{4} \theta + { \sin }^{4} \theta)) = - 1$

${\huge{\underline{\underline{\underline{Answer}}}}}$

-1

Step by step solution :

The Whole solution is given in the attachment.