Question

The value of sin 60° cos 30° + sin 30° cos 60° is?​

Answer 1

Answer:

Sin60*cos(90-60)+sin30.cos(90-30)

Sin60*sin60+sin30*sin30

Sin²60+sin²30

{√3/2}²+1/4

3/4+1/4

(3+1)/4

4/4

=1

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Step-by-step explanation:

Answer 2

sin 60° cos 30° + sin 30° cos 60°

sin 60°sin(90-30)°+cos(90-30)°cos60°

sin 60°sin 60° + cos60° cos60°

Sin²60° + cos²60°

1 (Sin²A° + cos²A°=1 )

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