sin 30 cos 30 + cos 30 sin 60 = sin 90
Answers
Answered by
4
(1+½+1/√2)×(½-1+1/√2)
(3+√2)(√2-1)÷2
(3√2-3+2-√2)÷2
√2-½
glad123:
but this is not the correct answer!
Similar questions