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Popular >

sin^2(150)

Solution

sin^{2} (15 0^{\circ})

Solution

\frac{1}{4}

+1

Solution steps

sin^{2} (15 0^{\circ})

Use the following trivial identity:

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

= (\frac{1}{2})^{2}

Simplify

(\frac{1}{2})^{2} : \frac{1}{4}

= \frac{1}{4}

Popular Examples

arctan(tan((11pi)/9))

arctan (tan (\frac{11 π}{9}))

- 2 sin (\frac{3 π}{2})

sin (5)

-4cos(pi/3)(1+ln(7sin(pi/3)))

- 4 cos (\frac{π}{3}) (1 + ln (7 sin (\frac{π}{3})))

(tan(40)+tan(20))/(1-tan(40)tan(20))

\frac{tan ( 4 0 ^{\circ} ) + tan ( 2 0 ^{\circ} )}{1 - tan ( 4 0 ^{\circ} ) tan ( 2 0 ^{\circ} )}

Frequently Asked Questions (FAQ)

What is the value of sin^2(150) ?
The value of sin^2(150) is 1/4