Question

cos60°cos30°-sin60°sin30° ka maan h​

Answer 1

Answer:

cos60 cos30 - sin60 sin30 = -0.44

Answer 2

Answer:

cos 60° = 1/2

cos30°= √3/2

sin60°=√3/2

sin30°=1/2

Now putting values in equation we got :

1/2*√3/2- √3/2*1/2= √3/4-√3/4=0

so it answer is 0

hope u find it useful n easy to understand