Question

prove that 4sin30° sin^2 60° + 3cos60° tan 45°= 2sec^2 45°-cosec90°

Answer 1

4(1/2) × (root 3/2)^2 + 3(1/2) × 1 = 2(root 2)^2 - 1

2 × 3/4 + 3/2 = 2×2 - 1

3/2 + 3/2 = 4 - 1

6/2 = 3

3 = 3

Hence proved...


Thanks

Answer 2

This is the answer.............hope u give me a thanks