(a) If \(^{k}P_{2} = 72\), find the value of k. (b) Solve the equation : \(2\cos^{2} \theta - 5\cos \theta = 3; 0° \leq \theta \leq 360°\)

Question 1 Report

(a) If \(^{k}P_{2} = 72\), find the value of k.

(b) Solve the equation : \(2\cos^{2} \theta - 5\cos \theta = 3; 0° \leq \theta \leq 360°\)