True or false
The projection of the point `(alpha,beta,gamma)` on the z-axis `(0,0,gamma)`

True or false The projection of the point (alpha,beta,gamma) on the XOY plane is (0,0,gamma)

The reflection of the point (alpha,beta,gamma) in the xy-plane is:

Distance of the point (alpha, beta,gamma) from y-axis is

What is the realtion between alpha, beta and gamma ?

In the fig. Prove that x=alpha+beta+gamma

The minimum value of the expression sinalpha+sin beta+sin gamma , where alpha, beta, gamma are real numbers satisfying alpha+beta+gamma=pi , is

Statement I The minimum value of the expression sinalpha+sinbeta+singamma where alpha, beta, gamma are real numbers such that alpha+beta+gamma=pi is negative. Statement II If alpha+beta+gamma=pi , then alpha, beta, gamma are the angles of a triangle.

State whether it is true or false:If a line makes angles alpha, beta, gamma which positive direction of axes then cos 2alpha+ cos 2beta+cos 2gamma=1 .