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Popular >

20sin(150)

Solution

20 sin (15 0^{\circ})

Solution

10

Solution steps

20 sin (15 0^{\circ})

Use the following trivial identity:

sin (15 0^{\circ}) = \frac{1}{2}

= 20 \cdot \frac{1}{2}

Simplify

20 \cdot \frac{1}{2} : 10

= 10

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\frac{( 30 ) ^{2} sin ^{2} ( 3 0 ^{\circ} )}{2 \cdot 9.8 1 ^{2}}

tan (4 1^{\circ}) \cdot 3

(5.78)/(tan(38))

\frac{5.78}{tan ( 3 8 ^{\circ} )}

Frequently Asked Questions (FAQ)

What is the value of 20sin(150) ?
The value of 20sin(150) is 10