Answer:
cos 30 + sin60 + sin30 - cos60
we know that sin ( 90 -a ) = cos a { and vice versa }
therefore by using this property,
sin ( 90 - 30 ) + sin 60 + sin 30 - sin ( 90-60)
sin 60 + sin 60 + sin 30 - sin 30 =
<u>2 sin 6</u><u>0</u>
That's the answer I got. Tell me if it's correct
For 11 its A for 12 its A for 13 idk and 14 idk
Answer:
9
Step-by-step explanation:
Answer:
A= 365 B=700 C=76.5
Step-by-step explanation:
Answer:
B.
Step-by-step explanation: