Mathematics, 05.10.2021 01:00 alexciamartinez05

Evaluate each of the following expressions by using special right triangles and the unit circle (give exact values), a. sin(4pi/3)
b. cos(11pi/3)
c. sin ( -5pi/6 )
d. cos (-2pi/3)

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More questions: Mathematics Another questions

Evaluate each of the following expressions by using special right triangles and the unit circle (give exact values), a. sin(4pi/3) b. cos(11pi/3) c. sin ( -5pi/6 ) d. cos (-2pi/3)

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Another question on Mathematics

Evaluate each of the following expressions by using special right triangles and the unit circle (give exact values), a. sin(4pi/3)
b. cos(11pi/3)
c. sin ( -5pi/6 )
d. cos (-2pi/3)