In triangle PQRPQRPQR, PQ=6PQ = 6PQ=6 cm, PR=43PR = 4\sqrt3PR=43 cm and angle QPR=30°QPR = 30°QPR=30°.
Find the exact length of QRQRQR.
Show that angle PQR=90°PQR = 90°PQR=90°.
97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.