The expression `cos^2(alpha+beta)+cos^2(alpha-beta)-cos2alpha.cos2beta,` is (a)independent of `alpha` (b) independent of `beta` (c)independent of `alphaa n dbeta` (d)dependent on `alphaa n dbeta`

The expression cos^2(alpha+beta)+cos^2(alpha-beta)-cos2alphacos2beta is

The expression cos^(2)(alpha+beta)+cos^(2)(alpha-beta)-cos2 alpha cos2 beta is

The expression cos^(2)(alpha+beta)+cos^(2)(alpha-beta)-cos2 alpha*cos2 beta is (a)independent of alpha(b) independent of beta (c)independent of alpha and beta(d) dependent on alphaand beta

If 3sinbeta=sin(2alpha+beta) then tan(alpha+beta)-2tanalpha is (a)independent of alpha (b)independent of beta (c)dependent of both alpha and beta (d)independent of both alpha and beta

If 3sinbeta=sin(2alpha+beta) then tan(alpha+beta)-2tanalpha is (a)independent of alpha (b)independent of beta (c)dependent of both alpha and beta (d)independent of both alpha and beta

If 3sinbeta=sin(2alpha+beta) then tan(alpha+beta)-2tanalpha is (a)independent of alpha (b)independent of beta (c)dependent of both alpha and beta (d)independent of both alpha and beta

If 3sin beta=sin(2 alpha+beta) then tan(alpha+beta)-2tan alpha is (a)independent of alpha (bindependent of beta (c)dependent of both alpha and beta( d)independent of both alpha and beta

Prove that cos^(2)(alpha-beta)+cos^(2)beta-2cos(alpha-beta)cosalphacosbeta is independent of beta .

The expression cos^(2)(alpha + beta + gamma) + cos^(2)(beta + gamma) + cos^(2)alpha - 2cos alpha cos(beta + gamma)cos(alpha + beta + gamma) is (a) independent of alpha (b) independent of beta (c) dependent on gamma only (d) dependent on alpha, beta, gamma

The expression (sin(alpha+theta)-"sin"(alpha-theta))/(cos(beta-theta)-cos(beta+theta)) is - independent of alpha b. independent of beta c. independent of theta d. independent of alpha\ a n d\ beta