1.

Cosθ + cosπ =

A. −2sin(θ + π/2)sin(θ-π/2)
B. −2sin(θ + π/2)sin(θ-π/2)
C. 2cos(θ + π/2)cos(θ-π/2)
D. None of Above
Answer» D. None of Above


Discussion

No Comment Found

Related MCQs