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Sin(30) = 0.5 or (1/2)

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lenpollock

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1y ago

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Related Questions

Find the value of a if tan 3a is equal to sin cos 45 plus sin 30?

If tan 3a is equal to sin cos 45 plus sin 30, then the value of a = 0.4.


The function y equals sin θ is not a function beacause sin 30 equals sin 150?

Y=sin X is a function because for each value of X, there is exactly one Y value.


What is the value of sin 30 degrees?

Sine(30) = 0.5 or 1/2


If the side opposite angle A of a right triangle is 30 meters and the hypotenuse is 90 meters what is the value of the sin of angle A (Round the answer to the nearest hundredth.)?

The value of sin A is 5.82 and the actual angle is 19.47 degees


What is the answer to sin of 390 degrees?

sin(360+30) =sin(30)= 1/2


What is the value of sin(1pi)?

The value of sin(1) is 0.


What is the exact value of sin 165?

The exact value of (\sin 165^\circ) can be calculated using the sine subtraction formula. Since (165^\circ = 180^\circ - 15^\circ), we have: [ \sin 165^\circ = \sin(180^\circ - 15^\circ) = \sin 15^\circ ] The value of (\sin 15^\circ) can be derived from the formula (\sin(45^\circ - 30^\circ)), which gives: [ \sin 15^\circ = \sin 45^\circ \cos 30^\circ - \cos 45^\circ \sin 30^\circ = \frac{\sqrt{2}}{2} \cdot \frac{\sqrt{3}}{2} - \frac{\sqrt{2}}{2} \cdot \frac{1}{2} = \frac{\sqrt{6} - \sqrt{2}}{4} ] Thus, (\sin 165^\circ = \frac{\sqrt{6} - \sqrt{2}}{4}).


What is exact value of sin75?

sin(75) = sin(45 + 30) = sin(45)*cos(30) + cos(45)*sin(30) = [1/sqrt(2)]*[sqrt(3)/2] + [1/sqrt(2)]*[1/2] = 1/[2*sqrt(2)]*[sqrt(3) + 1] that is [sqrt(3) + 1] / [2*sqrt(2)]


What is sin 210?

The sine of 210 degrees is equal to -1/2. This value can be derived from the unit circle, where 210 degrees is in the third quadrant, where sine values are negative. Specifically, sin(210°) corresponds to sin(210° - 180°) = sin(30°), and since sine is negative in the third quadrant, sin(210°) = -sin(30°) = -1/2.


Using exact values find the numerical value of sin 30 degrees cos 240 degrees plus sin 210 degrees sin 300 degrees?

SQRT(3)/4 - 1/4


Evaluate the expression sine 30 degree cosecant 30 degree?

Sin(30) + cosec(30) = sin(30) + 1/sin(30) = 0.5 + 1/0.5 = 0.5 + 2 = 2.5


What is the exact value or sin 22.5?

The exact value of sin 22.5 is 0.382683432