Question

solve it fast sin 45°sin 30°+cos 45° cos 30°

Answer 1

Answer:

(1+√3)/2√2

Step-by-step explanation:

sin45˚sin30˚+cos45˚cos30˚

=(1/√2)(1/2)+(1/√2)(√3/2)

=1/2√2 + √3/2√2

=(1+√3)/2√2