Angle.
- 12
which statement must be true?
1) sin a = cos b
2) sin a = tan b
3) sinb = tan a
4) sinb = cos b

angle q= 92 degree

step-by-step explanation:

the solution is in the picture

when a quadrilateral is inscribed in a circle, the opposite angles are supplement to each other. in other words, the sum of the 2 angle is 180 degree

i think it's b

step-by-step explanation:

because the graph is 2 above (0,0)