evaluate cos60 cos30 +sin60 sin30
Answers
Answered by
39
cos60.cos30+sin60.sin30
we know ,cos60=1\2 and cos 30=root 3 by 2 and sin60=root 3 by 2 and sin30=1\2
now,1\2.root 3by 2+root 3 by 2.1\2by soving it we get
the answer as root 3 by 2
we know ,cos60=1\2 and cos 30=root 3 by 2 and sin60=root 3 by 2 and sin30=1\2
now,1\2.root 3by 2+root 3 by 2.1\2by soving it we get
the answer as root 3 by 2
Answered by
18
Answer:
Step-by-step explanation:
Attachments:
Similar questions