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Trigonometry : Sine and Range

Question 1
solve for x
y=3sin x; for x =4pi

Question 2
Determine the range of the following:
y= -1/2 cos x

Solution Preview

A full revolution of a circle corresponds to an angle of 2Pi

Therefore, angle 4Pi is equivalent to two full revolutions.

Hence, it is also equivalent ...

Solution Summary

A sine and range are solved.