3sin30°-4sin60°tea sounds good.
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◆● sin 30° = 1/2,
sin 60° = √3/2
● 3sin30°-4sin60°
= 3× 1/2 - 4× √3/2
= 3/2 - 2√3
= (3√3 - 4)/2√3
sin 60° = √3/2
● 3sin30°-4sin60°
= 3× 1/2 - 4× √3/2
= 3/2 - 2√3
= (3√3 - 4)/2√3
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solution is attached above......
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Shreya0909:
you should explain it more
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