The instantaneous values of two alternating voltages are given as:v1=60sinθ and v2=40sin(θ − π/3). Find the instantaneous sum.

• A. 87.2 sin(36.5°) V
• B. 87.2 sin( 0.5°) V
• C. 87.2 sin(26.5°) V
• D. 87.2 cos(36.5°) V