Question

1. Find the values of
(1) 7 sin 30° cos 60°
(ü) cos2 45° + sin2 60° + sin2 30°
(ii) 3 sin2 45° + 2 cos2 60°
(id) cos 90° + cos2 45° sin 30° tan 45º.​

Answer 1

Which class?kon si class kya question hai