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# Eleventh Grade (Grade 11) Trigonometry Questions

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Grade 11 Trigonometry CCSS: HSF-TF.A.1
$(-4pi)/3$ is equivalent to
1. $(-2pi)/6$
2. $(4pi)/3$
3. $pi/3$
4. $(2pi)/3$
Grade 11 Trigonometry
What is the reference angle for $(7 pi) /4 ?$
1. $pi/4$
2. $pi/3$
3. $pi/6$
4. $(3pi)/4$
Grade 11 Trigonometry
If $sin(theta)=7/25$, what is $tan(theta)$?
1. $7/24$
2. $24/25$
3. $7/8$
4. $24/7$
Grade 11 Trigonometry
If AC is 15, AB is 17, and BC is 8, then find $cos(B)$.
1. $8/15$
2. $15/8$
3. $8/17$
4. $15/17$
Grade 11 Trigonometry
Grade 11 Trigonometry
In radians, $x^o=$
1. $pi/(180x)$
2. $180/(pi x)$
3. $(180x)/pi$
4. $(pi x)/180$
Grade 11 Trigonometry
If AC is 12, AB is 9, and BC is 15, then what is $cos(C)$?
1. $4/3$
2. $4/5$
3. $3/5$
4. $3/4$
Grade 11 Trigonometry
Reference angles must be
1. in degrees.
2. positive and acute.
3. positive and obtuse.
4. in radians.
Grade 11 Trigonometry
POSITIVE angles go in which direction?
1. clockwise
2. counter-clockwise
3. up
4. down
Grade 11 Trigonometry
If $theta$ is a reflex angle and $tantheta=-4/3$, then $sintheta=$
1. $-3/5$
2. $-4/5$
3. $5/3$
4. $5/4$
Grade 11 Trigonometry
Grade 11 Trigonometry
Grade 11 Trigonometry
State the amplitude of the function $y=1/3cos(x-2)$:
1. $1/3$
2. $pi$
3. $-2$
4. $-pi$
5. none of these are correct
Grade 11 Trigonometry
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