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OpenStudy (anonymous):
Evaluate each expression. Give exact values. tan(pi/4) a. -1 b. 0 c. 1 d. 1/2
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OpenStudy (arhin):
c) 1
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
Tan pi/4 is the same as tan45. pi/4 is in the 1st quadrant so that eliminates all negative answers. Suggestion study the unit circle and the common angles that are associated with trigonometry, such as 30,45,60,90, etc.
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