Question

The value Of (sin30*+cos30*)_(sin60* +cos60*)​

Answer 1

Step-by-step explanation:

Use  sin(90∘−θ)=cosθ and  cos(90∘−θ)=sinθ

and  cos2θ+sin2θ=1

Now,

sin30∘⋅cos60∘+cos30∘⋅sin60∘

=sin(90∘−60∘)⋅cos60∘+cos(90∘−60∘)⋅sin60∘

=cos60∘⋅cos60∘+sin60∘⋅sin60∘

=cos260°+sin260°=1

Answer 2

Answer:

(1/2+√3/2)-√3/2+1/2) = 1 is the correct answer

Step-by-step explanation:

hopy it may help you..