Question

Find the value of sin 30° geometrically.
OR
Without using trigonometrical tables, evaluate: $\frac{cos58 \textdegree}{sin 32 \textdegree} + \frac{sin 22 \textdegree}{cos 68\textdegree} - \frac{cos38 \textdegree cosec52 \textdegree}{tan 18 \textdegree . tan 35 \textdegree tan 60 \textdegree tan 72 \textdegree tan 55 \textdegree}$

Answer 1

sin 30 °is 1/2. GEOMETRICALLY

Answer 2

sin 30°=1/2 PERPENDICULAR/ HYP