The instantaneous values of two alternating voltages are given as:v1=60sin? and v2=40sin(? - p/3). Find the instantaneous difference.

• A. 53 sin(71.5°) V
• B. 53 sin( 79..5°) V
• C. 53 sin(26.5°) V
• D. 53 cos(36.5°) V