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the sine of a 30 degree angle is 0.5

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If an angle decreases from 60 degrees to 30 degrees the trigonometric function that decreases is the sine?

Yes, the sine decreases, and so does the tangent.


What type of angle is this measure A equals 30?

An angle with 30 degrees is an acute angle.


How do I find the length of the hypotenuse with one leg equalling 12 and the opposite angle being 30 degrees?

Rearrange the sine ratio of sine = opposite/hypotenuse: hypotenuse = opposite/sine hypotenuse = 12/sine 30 degrees = 24 Therefore the hypotenuse is 24 units in length.


What is the value of sin 30 degrees?

Sine(30) = 0.5 or 1/2


What is the value of 30 degrees?

sine of 30 degrees


What is 1 of a 3 of a right angle?

A right angle is 90 degrees and a 1/3 of 90 degrees equals 30 degrees


What is the arc function for trigonometric relationships?

The trigonometric function of an angle gives a certain value The arc trigonometric function of value is simply the angle For example, if sin (30 degrees) = 0.500 then arc sine ( 0.500) = 30 degrees


The compliment of a 30 degree angle has a measure of?

The compliment of an angle is found by taking 90 degrees minus the known angle. Therefore, you take 90 minus 30 which equals 60 degrees.


How do you find an angle using sine cosine tangent?

First make sure your calculator is in 'Degree Mode (D)'. Then using the 'Inverse' of 'Sin' , shown as 'ArcSin' or ' Sin^(-1)' . enter '0.5', followed by '=' . The answer should be '30' ( 30 degrees).


Why does Sine Theta equal Sine 180 minus Theta?

When you subtract theta from 180 ( if theta is between 90 degrees and 180 degrees) you will get the reference angle of theta; the results of sine theta and sine of its reference angle will be the same and only the sign will be different depends on which quadrant the angle is located. Ex. 150 degrees' reference angle will be 30 degrees (180-150) sin150=1/2 (2nd quadrant); sin30=1/2 (1st quadrant) 1st quadrant: all trig functions are positive 2nd: sine and csc are positive 3rd: tangent and cot are positive 4th: cosine and secant are positive


Given a paralleogram ABCD angle A equals 30 plus 5x and angle D equals 15 plus 10x What is x?

9 degrees


Sine wave A has a positive going zero crossing at thirty degrees sine wave B has a positive going zero crossing at forty five degrees determine the phase angle between the two signals?

Two sine waves, one with zero crossing at 30 degrees, the other with zero crossing of 45 degrees, have a relative phase angle of 15 degrees. Simply subtract the two angles from each other.