1.

Evalute sin60°cos30°+sin30°cos60°​

Answer»

Step-by-step EXPLANATION:

Sin 60 = root 3 /2

cos 30 = root 3 /2

sin 30 = 1/2

cos 60 = 1/2

= (root 3 /2 ) (root 3 / 2) + (1/2) (1/2)

= 3/4 + 1/4

= 4/4

= 1

sin 60 + 30 = 90

where sin 90 = 1



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