`Acos20^@-sin20^@, B=cos100^@+sin100^@, C=cos(5pi)/6+sin(2pi)/3` then the ascending order is Р

A=cos20^(@) - sin 20^(@) ,B=cos100^(@) + sin100^(@) , C= cos""(5pi)/6+ sin""(2pi)/3 then the ascending order is

If a, b,c are the values of int_(0)^(pi//2)sin^(6)xdx,int_(0)^(pi)sin^(6)xdx,int_(0)^(2pi)sin^(6)xdx then the ascending order of a, b, c is

If A=6 sin20^(@) - 8 sin^(3) 20^@ , B= 8 cos^(3) 20^(@)-6 cos 20^(@) and C= ( sin 3 theta )/( sin theta ) - ( cos 3 theta )/( cos theta ) then

1+ cos 10^(@) + cos 20^(@)+ cos 30^(@)= ............... A) 4 cos 5^(@) cos 10^(@) cos 15^(@) B) 4 cos 10^(@) cos 20^(@) cos 30^(@) C) 4 sin 5^(@) sin 10^(@) sin 15^(@) D) 4 sin 10^(@) sin 20^(@) sin 30^(@)

cos ^ (- 1) (cos20) and sin ^ (- 1) (sin ((23 pi) / (6)))

sin^(6)A + cos^(6)A + 3sin^(2)A.cos^(2)A=

sin pi/3 = 2sin pi/6 cos pi/6

Find the product 3/2 (cos (pi)/3 + i sin (pi)/3).6(cos (5pi)/6 + i sin (5pi)/6) in rectangular form.

Evaluate cos (2pi/3)cos (pi/4)-sin(2pi/3)sin(pi/4)