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Primary 3 | Maths
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Date Posted: 5 years ago
Views: 512
Basic angle = sin^-1 (1/3)
= 0.339836909 rad
≈ 0.340 rad
Remember that sine is only positive in the first quadrant and second quadrant.
The other angle is (π - 0.339836909)rad
= 2.80175574 rad
≈ 2.80 rad
= 0.339836909 rad
≈ 0.340 rad
Remember that sine is only positive in the first quadrant and second quadrant.
The other angle is (π - 0.339836909)rad
= 2.80175574 rad
≈ 2.80 rad
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Date Posted:
5 years ago
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