15x=?,prove that cos x cos 2x cos 3x cos 4x cos 5x cos6x cos7x=1/2^7
This question has not been answered yet!
Don't worry! You can check out similar questions with solutions below
- ... =?,prove that cos x cos 2x cos 3x cos 4x cos 5x cos6x cos7x ...
- Q.9. 9. Prove that cos x cos 2x cos 4x cos 8x = sin 16 x 16 ...
- ... — 4stn cos Prove that cos 2xcos cos RHS. 9x — cos 31 cos ...
- ... +5 2X+3 5X+8 Without —c z 3X+4 4X+5 -o. lox +17 1 cosC cos ...
- Prove that Cos 8x Cos 4x Cos 2x Cos x = Sin16x/16Sinx