Sines and percentages

Geometry Level 1

sin ⁡ ( 3 0 ∘ ) = x % \sin(30^\circ) = x~\%

Find the value of x x .

30 90 50 60

Sajjad Naq by sajjad naq , 23, Pakistan

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1 solution

Good thing I archived my secondary school projects on GitHub :

Image 1 Large Version

Image 2 Large Version

So, we have sin ⁡ 3 0 ∘ = 1 2 = 50 % \sin 30^\circ = \frac{1}{2} = 50\%

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Moderator note:

Simple standard approach.

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