Question

Value of sin square 2 pi by 6 plus cos square 5 pi by 6 minus tan square 3 pi by 6

Answer 1

Answer:

.3, 1 Prove that sin2 π/6 + cos2 π/3 – tan2 π/4 = – 1/2 Taking L.H.S sin2 π/6 + cos2 π/3 - tan2 π/4 Putting π ...