Question

cos60° cos30° + sin60° sin30° = cos30°​

Answer 1

Step-by-step explanation:

Cos60= 1/2

cos30= √3/2

Sin60= √3/2

Sin30= 1/2

so after putting values we get,

1/2×√3/2+√3/2×1/2

√3/4+√3/4

2√3/4

so we get √3/2 after simplify.