CAIE IGCSE Mathematics Extended E6.4.2 Trigonometric Equations Questions

Review CAIE IGCSE Mathematics trigonometric equations through sin, cos and tan solutions over 0° to 360°, including quadrant and graph methods.

Exam points

Solve sine, cosine or tangent equations over 0° to 360°, listing every angle and checking quadrants or graph intersections.

[Maximum number: 2]

Solve the equation $\cos x=0.294$ for $0^\circ\leqslant x\leqslant360^\circ$ .
$x=\quad\text{or}\quad x=$

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