evalnate cos30 x cos60 x sin30 x sin60
Answers
Answered by
2
Answer:3/16
Step-by-step explanation:
Answered by
1
Answer:
cos 30 = √3/2
cos 60 = 1/2
sin 30 = 1/2
sin 60 = √3/2
so, cos 30 × cos 60 × sin 30 × sin 60
= √3/2 * 1/2 * 1/2 * √3/2
= 3/16
Similar questions