2025 SMBSS P1 Q9

2025 SMBSS P1 Q9

Secondary 4

4 marks

Solve the equation \(\cos2x+7\sin x-4=0\) for \(0^\circ<x<360^\circ\).[4]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.

Answer:\(x=30^\circ,150^\circ\)

Need help? Join our JC Math tuition classes.