Question

Prove that 3(sin x - cos x)^4+4(sin^6x + cos^6x) + 6(sin x + cos x)^2= 13​

Answer 1

Answer:

Hint : Use the trignometric identitiy "sin x^2 + cos x^2 = 1" and a^3 + b^3 = (a+b)(a^2 + b^2 + ab) formula.

Step-by-step explanation:

If you are still unable to prove leave a comment i will send the whole solution ;) .

Answer 2

FRND!!! PLEASE SEE THE ATTACHMENT..✌️✌️☺️☺️