Find all the solutions without using a calculator.

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Find all the solutions without using a calculator. Students, Take out your calendar and your homework. Take out your spiral notebook and Complete the DNA. Use your notes if necessary. Find the solution to each equation on the interval [0, 2π). Hint: Use a trig identity and factor. Find all the solutions without using a calculator.

Section 5.4, Sum and Difference Formulas, pg. 368

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Linear and Angular Speed 2) The circular blade on a saw rotates at 2400 revolutions per minute. Find the angular speed in radians per second. The blade has a radius of 4 inches. Find the linear speed of a blade tip in inches per second.