Question

Hi（受験生）

どこが間違っているのですか？

too,
15² (sin 2x + cos3x / dz
= [= + cos2x + d sinsa jo
= ( = { cast + + coso ) - ( sin = ³^_sino)
= ( = ² + + — ) - ( + =
(1/2+1/2)-(1/3
-0)
= $7₁
季