The Total solution for NCERT class 6-12
Answer - 1 : -
Answer - 2 : - It is known that,
cos 2x cos 4x cos6x
Answer - 3 : - It is known that,
sin3 (2x +1)
Answer - 4 : - Let
sin3 x cos3 x
Answer - 5 : -
sin x sin2x sin 3x
Answer - 6 : - It is known that,
sin 4x sin 8x
Answer - 7 : -
It is known that,
Answer - 8 : -
Answer - 9 : -
sin4 x
Answer - 10 : -