. Evaluate : (sin 30˚+ sin45˚)(cos60˚- cos45˚) *
Answers
Answered by
2
Answer = -1/4
Explaination:
(sin30° + sin45°) (sin30°-sin45°)
=sin^2 30° - sin^2 45°
=(1/2)^2 - (1/✓2)^2
=1/4 - 1/2
= -1/4
Similar questions