&
find the value of x&V
Vis
30
9
60
OB
D
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2
Answer:
sin 60° × cos 30° + sin 30° × cos 60°
⇒ √3/2 × √3/2 + 1/2 × 1/2
⇒ 3/4 + 1/4
⇒ 4/4
⇒ 1
∴ The value of sin 60° × cos 30° + sin 30° × cos 60° is 1
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