sin150 is 0.5
Remember that 150o is 5π/6 radians and the reference angle is π/6 or 30o.
sin30 is 0.5
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Approximate value, is a value that is not necessarily the right answer but, it is the closest one to it.It means that it isn't exact - but close to the exact value.
Some value / exact value x 100 = percentage
Approximate value, is a value that is not necessarily the right answer but, it is the closest one to it.It means that it isn't exact - but close to the exact value.
Yes, you could if you knew the exact value for pi as well as the diameter of the circle. Multiply the diameter by the exact value for pi to get the circumference. However, it is impossible because the exact value for pi is not known. It is only known to about a trillion decimal places, but the exact value is not known.
The exact value of 150 would be 3/2. This is taught in high math.