The value of `sin^3 10^0+sin^3 50^0-sin^3 70^0` is equal to (a)`-3/2` (b) `3/4` (c) `-3/4` (d) `-3/8`

The value of sin^(3)10^(@)+sin^(3)50^(@)-sin^(3)70^(@) is equal to (a)-(3)/(2) (b) (3)/(4)(c)-(3)/(4)(d)-(3)/(8)

The value of sin ^(3) 10^(@) + sin ^(3) 50^(@) - sin ^(3) 70^(@) is equal to

The value of 4 sin A cos^(3) A- 4 cos A sin^(3) A is equal to

The value of 4 sin A cos ^3 A -4 cos sin^3 A is equal to

The value of cos^2 10^0-cos10^0cos50^0+cos^2 50^0 is equal to 4/3 (b) 1/3 (c) 3/4 (d) 3

The value of cos^2 10^0-cos10^0cos50^0+cos^2 50^0 is equal to 4/3 (b) 1/3 (c) 3/4 (d) 3

The value of sin 50^(0)-sin 70^0+sin 10^0 is equal to a. 0 b. 1 c. 2 d. 1//2

The value of (cos^3 20^@-cos^3 70^@)/(sin^3 70^@-sin^3 20^@) is (a) 1/2 (b) 1/(sqrt(2)) (c) 1 (d) 2

Prove that: \ sin 10^0sin 50^0sin 60^0sin 70^0=(sqrt(3))/(16)