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$45deg$
1. $pi/4$
2. $pi/5$
3. $sqrt2/2pi$
4. none of the above
Convert to degrees.

$(7pi)/4$
1. $360deg$
2. $240deg$
3. $60deg$
4. $315deg$
What is the value of sine $(3pi/2)$?
1. $-1$
2. $sqrt2/2$
3. $1$
4. $1/2$
What is the value of cosine $(pi/6)$?
1. $1$
2. $sqrt2/2$
3. $sqrt3/2$
4. $2/sqrt3$
What is the value of tangent $(pi)$?
1. $-1/2$
2. $sqrt2/2$
3. $1$
4. $0$
What is the value of tangent $(pi/4)$?
1. $1$
2. $sqrt2/2$
3. $sqrt3/2$
4. $2/sqrt2$
If $costheta$=$20/29$, then what is $csctheta$?
1. $29/20$
2. $21/29$
3. $29/21$
4. $20/21$
If $tantheta= 5/12$, what is $sin theta$?
1. $12/13$
2. $5/13$
3. $13/5$
4. $12/5$
What is the reference angle for $(5pi)/6$?
1. $pi/6$
2. $pi/3$
3. $2pi/6$
4. $2pi/3$
What is the value of sine $(pi/6)$?
1. $-1/2$
2. $sqrt2/2$
3. $sqrt3/2$
4. $1/2$
The principal value of $sin^-1(sin{ (2π)/3})$ is
1. $- (2 pi)/3$
2. $(2 pi)/3$
3. $(4 pi)/3$
Evaluate. $cot (pi/2)$
1. $sqrt2/2$
2. $1$
3. $0$