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Evaluating Trig Expressions Using Either Degree or Radian Measures
Choose the correct value for each expression.
General Questions
sin 2x where x = 30º
1.
(1/3)
(1/2)
1/2
1
cos 2y where y =
2.
0
-1/2
1/4
(1/2)
sec 2x where x = 2/9
3.
0.903
0.097
1.108
0.544
tan 2z where z = (1/27)
4.
1.213
0.274
0.478
2.541
csc 2x where x = (1/3)
5.
2/
(1/2)
(1/3)
3/
cot 2a where a = 124/63
6.
1.019
-1.019
0.981
2
cos 2x where x = 3/4
7.
0.071
0.929
1.246
0
sin 2m where m = 276º
8.
-0.208
0.208
-0.800
0.800
L Braunling
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