Question

sin60* ×cos30* + sin30*× cos 60* ​

Answer 1

Answer:

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Answer 2

Answer: 1

Step by Step Explanation:

30  and  60 are angles of one of the standard triangles

sin  ( 30 )  =  1 /2

cos  ( 30 )  = √ 3 /2

sin  ( 60 )  = √ 3 /2

cos  ( 60 )  =  1 /2

So  sin ( 60 ) *cos ( 30 )  + sin ( 30 )* cos ( 60 )  = ( √ 3 /2 ) ( √ 3/ 2 )  +  ( 1 /2 ) ( 1 /2 )  =  1