If sinθ = cotθ, then the value of (cos^2θ + 2cos^3θ + cos^4θ -3) is: (A) 0 (B) -1 (C) -2 (D) -3
Just did this a few minutes ago
www.jiskha.com/questions/1880277/if-sinq-cotq-then-the-value-of-cos-2q-2cos-3q-cos-4q-3-is
www.jiskha.com/questions/1880277/if-sinq-cotq-then-the-value-of-cos-2q-2cos-3q-cos-4q-3-is