If `theta_1` and `theta_2` are two values lying in `[0,2pi]` for which `t a ntheta=lambda,` then `tan((theta_1)/2)tan((theta_2)/2)` is equal to (a)0 (b) `-1` (c) 2 (d) 1

If theta_(1)andtheta_(2) are two values lying in [0,2pi] for which tan theta=lambda then tan (theta_(1))/(2)."tan"(theta_(2))/(2) is equal to

If theta_(1) and theta_(2) are two values lying in [0,2 pi] for which tan theta=lambda, then tan((theta_(1))/(2))tan((theta_(2))/(2)) is equal to (a)0(b)-1(c)2(d)1

If theta_1a n dtheta_2 are two values lying in [2,2pi] for which t a ntheta=lambda, then tan(theta_1)/2tan(theta_2)/2 is equal to 0 (b) -1 (c) 2 (d) 1

If theta_(1) and theta_2 are two values lying in [0,2pi] for which tan theta = lamda , then tan""(theta_1)/2 tan""(theta_2)/2 is equal to

If costheta_1 =2costheta_2, then tan((theta_1-theta_2)/2)tan((theta_1+theta_2)/2) is equal to (a) 1/3 (b) -1/3 (c) 1 (d) -1

If costheta_1 =2costheta_2, then tan((theta_1-theta_2)/2)tan((theta_1+theta_2)/2) is equal to (a) 1/3 (b) -1/3 (c) 1 (d) -1

If costheta_1 =2costheta_2, then tan((theta_1-theta_2)/2)tan((theta_1+theta_2)/2) is equal to

If theta_(1),theta_(2),theta_(3) are three values lying in [0,2pi) for which tan theta = lambda , then the value of tan((theta_(1))/(3))tan((theta_(2))/(3))+tan((theta_(2))/(3))tan((theta_(3))/(3))+tan((theta_(3))/(3))tan((theta_(1))/(3)) is

If theta_(1),theta_(2),theta_(3) are three values lying in [0,3pi) for which tan theta = lambda , then the value of |tan((theta_(1))/(3))tan((theta_(2))/(3))+tan((theta_(2))/(3))tan((theta_(2))/(3))+tan((theta_(3))/(3))tan((theta_(1))/(3))| is

If theta=60^(@) , then (1+tan^(2)theta)/(2tan theta) is equal to