HELP ASAP EILL MAKE BRAINLIETS

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?