Question

cos 60० x cos 30० +sin 60०x sin 30०find the value​

Answer 1

Answer:

√3/2

Step-by-step explanation:

cos 60° × cos 30° + sin 60° × sin 30°

=> (1/2)(√3/2) + (√3/2)(1/2)

=> 2(1/2)(√3/2)    (As it is being added two times, we can multiply one element by 2)

=> 1(√3/2) => √3/2