Question

Find the values of:
(i) sin2 60° - cos2 45° + 3 tan2 30°​

Answer 1

Step-by-step explanation:

1. (√3/2)²-(1/√2)²+3(1/√3)²

3/4-1/2+3/3

3/4-1/2+1

3-2+4/4

5/4