16
RCMultiple Choice
Solving Trigonometric Equations — Cumulative exam
Question 16 • Precalculus
Which equation could be used to solve for the measure of side q in shown below, given s = 15, S = 45°, and Q = 105°? [Not drawn to scale]
Answer
A
StartFraction sine 105 degree over 15 EndFraction = StartFraction sine 30 degree over q EndFraction
B
StartFraction sine 105 degree over q EndFraction = StartFraction sine 30 degree over 15 EndFraction
C
StartFraction 15 over sine 105 degree EndFraction = StartFraction q over sine 45 degree EndFraction
D
StartFraction q over sine 105 degree EndFraction = StartFraction 15 over sine 45 degree EndFraction