Question

i) sin 60° + cos 60° = 1​

Answer 1

Step-by-step explanation:

sin60° + cos60° = 1

LHS:

Squaring both sides

sin²60°+cos²60°

(√3/2)²+(1/2)²

3/4+1/4

(3+1)/4

4/4

1

RHS=1

LHS=RHS

Hence proved