Question

cos(60° +30°)=cos 60° cos 30-sin60 sin30​

Answer 1

Step-by-step explanation:

=(1/2) (√3/2)-(√3/2)(1/2)

=√3/4-√3/4

=0

hope it helps u follow me mark my answer as brainliest

Answer 2

Answer:

please mark me as branlist