Question

Sin³x+cos³x=(sin x + cos x)(1-sinxcosx)

Answer 1

Solution

$\sin {}^{3} (x) + \cos {}^{3} (x) \\ = ( \sin(x) + \cos(x) )( \sin {}^{2} (x) + \cos {}^{2} (x) - \sin(x) \cos(x) ) \\ = ( \sin(x) + \cos(x)) (1 - \sin(x) \cos(x) )$

proved

Answer 2

Answer:

kya bidu samajh main nahi ata kya niche dekh raha hai formulae yaad karega sab ayega bidu