# Trigonometry functions for a positive acute angle

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Please answer all attached questions with full solutions, working and answers. Thank You.

Express each of the following trigonometric functions in terms of the same function of a positive acute angle.

Convert to radians, expressing your answers as a multiple of pi .

Convert to degrees.

A horizontal section of a circular pipe is 12.2 m in length and has an inside diameter of 1.22 m. The depth of fluid in the pipe, measured at the deepest point, is 0.305 m. Calculate the volume of fluid in this section of the pipe.

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##### Solution Summary

This solution provides examples of working with trigonometric functions, including conversions between radians and degrees and a word problem.

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