Question

Sin30° sin^2 60+3cos60° tan45°=2sec^2 45°-cosec^2 90°

Answer 1

Answer:

Step-by-step explanation:

(1/2 × 3/4) + (3× 1/2 ×1) = 3/8 +3/2 = 15/8

2sec²45° - cosec²90° = (2×1/2) - 1 = 0