Home
Class 12
MATHS
There is a formula that says that sin 7x...

There is a formula that says that `sin 7x=A sin^7 x+ B sin^6 x+ C sin^5 x+D sin^4 x+E sin^3 x +F sin^2x+G sin x+H.` The value of the sum `(A+B+C+D+E+F+G+H),` is (i) `0` (ii)`1` (iii)`-1` (iv) unable to determine

Promotional Banner

Similar Questions

Explore conceptually related problems

There is a formula that says that sin7x=A sin^(7)x+B sin^(6)x+C sin^(5)x+D sin^(4)x+E sin^(3)x+F sin^(2)x+G sin x+H The value of the sum (A+B+C+C+E+F+G+H), is (i) 0(ii)1(iii)-1 (iv) unable to determine

sin x + sin 3x + sin 5x + sin 7x = 4 sin ^(2) "" (x-y)/(2)

sin x + sin 3x + sin 5x + sin 7x = 4 sin ^(2) "" (x-y)/(2)

Show that : int sin 7 x sin 3x dx = 1/8 sin 4x - 1/20 sin 10 x + c

Range of f(x) = (sin^2x + sin x -1)/(sin^2x - sin x + 2)

If 0 lt x lt pi then ( sin 8x + 7 sin 6x + 18 sin 4x +12 sin 2x ) /( sin 7 x + 6 sin 5x + 12 sin 3x ) =

Let a= ( 2 sin x )/(1 + sin x + cos x ) and b = ( c )/(1+ sin x ) . Then a = b , if c= ?

The value of 2 sin 3x cos 2x is equal to .............. A) sin 5x+ sin x B) sin 3x+ sin x C) sin 7x + sin x D) sin 4x + sin x

If 0 lt x lt pi, then (sin 8x + 7 sin 6x + 18 sin 4x + 12 sin 2x)/( sin 7x + 6sin 5x + 12 sin 3x) equal to a) 2 sin x b) sin x c) sin 2x d) 2 cos x