Home
Class 12
MATHS
[" Question "43],[+nc(1)cos theta+r*c(2)...

[" Question "43],[+nc_(1)cos theta+r*c_(2)cos2 theta+...+c_(n)cos n theta" equals "],[[" (2"2cos(theta)/(2))^(2)cos(n theta)/(2)," (B) "2cos(n theta)/(2)," (C) "2cos^(2)(theta)/(2)],[" 1"," a "2]]

Promotional Banner

Similar Questions

Explore conceptually related problems

1+.^(n)C_(1)costheta+.^(n)C_(2)cos2theta+...+.^(n)C_(n)cosntheta equals

1+^n C_1costheta+^n C_2cos2theta+........ +^n C_ncosntheta equals

For all n in N, cos theta cos 2theta cos 4theta ....cos2^(n-1)theta equals to

For all n in N, cos theta cos 2theta cos 4theta ....cos2^(n-1)theta equals to

If 1+^(n)C_(1)cos theta+^(n)C_(2)cos2 theta+.......+^(n)C_(n) equals

cos theta+cos2 theta+cos3 theta+......+cos(n-1)theta+cos n theta=

cos theta + cos 2 theta + cos 3 theta + …. + cos { (n-1) theta}+ cos n theta=

Prove that, (2 cos theta - 1)(2 cos 2 theta-1)(2 cos2^(2) theta-1)...(2 cos 2^(n-1) theta-1) = (2 cos 2^(n) theta + 1)/(2 cos theta + 1)

Prove that : (2 cos 2^n theta + 1)/(2 cos theta +1) = (2 cos theta -1) (2 cos 2theta -1) (2 cos 2^2 theta -1) … (2 cos 2^(n-1) theta -1)

Prove that : (2 cos 2^n theta + 1)/(2 cos theta +1) = (2 cos theta -1) (2 cos 2theta -1) (2 cos 2^2 theta -1) … (2 cos 2^(n-1) theta -1)