10th
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Mathematics

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CHRISTOPHER CAVIN

3 years

Mathematics

10th

grade

Geometry Test review trig ratios

CHRISTOPHER CAVIN

7
plays

25 questions

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1. Multiple Choice
30 seconds
1 pt
Which of the following could find the measure of angle C? Select all that apply.
$\sin^{-1}\ \frac{8}{17}$
$\sin^{-1}\ \frac{15}{17}$
$\tan^{-1}\ \frac{8}{15}$
$\tan^{-1}\ \frac{15}{8}$
$\cos^{-1}\ \frac{15}{17}$
2. Multiple Choice
30 seconds
1 pt
Use a calculator. Round to the nearest degree. The measure of angle B is:
$1\degree$
$62\degree$
$28\degree$
cannot be determined
3. Multiple Choice
30 seconds
1 pt
Which of the following would find the value of x?
$x=8\cos22$
$x=8\sin22$
$x=8\tan22$
$x=\frac{8}{\tan22}$
$x=22\sin8$
4. Multiple Choice
30 seconds
1 pt
In a right triangle, the three trigonometric (trig for short) ratios are: (select all that apply)
sine (sin for short)
cosine (cos for short)
tangent (tan for short)
logarithm (log for short)
5. Fill in the Blank
30 seconds
1 pt
The _____________ of an acute angle in a right triangle is equal to the opposite leg of the angle divided by the hypotenuse of the right triangle.
6. Multiple Choice
30 seconds
1 pt
Which trig ratio is equal to the adjacent leg of the angle divided by the hypotenuse?
sin
cos
tan
7. Multiple Choice
30 seconds
1 pt
The reason right triangle trigonometry works is because of
similarity
congruence
magic
the triangle angle sum theorem
8. Multiple Choice
30 seconds
1 pt
Remember that the 45-45-90 special right triangle is isosceles (the two legs are congruent) and the hypotenuse will be equal the length of one of the legs multiplied by the square root of two. $leg=\ x,\ leg\ =\ x,\ hyp\ =\ x\sqrt{2}$

Using this information, what is the tangent of 45 degrees?
$\frac{1}{\sqrt{2}}$
$1$
$\sqrt{2}$
not enough information
9. Multiple Choice
30 seconds
1 pt
Which of the following is equal to the $\cos\ 35\degree?$
$\sin\ 35\degree$
$\sin\ 55\degree$
$\cos55\degree$
$\cos145\degree$
10. Multiple Choice
30 seconds
1 pt
Which of the following is equal to the $\sin\ 8\degree?$
$\sin82\degree$
$\cos8\degree$
$\cos82\degree$
$\sin98\degree$
11. Multiple Choice
30 seconds
1 pt
If $\cos\theta=\sin\alpha$ , then $\theta\ and\ \alpha$ must be
complementary
supplementary
a linear pair
adjacent
12. Fill in the Blank
30 seconds
1 pt
The $\cos55\degree=\sin$ _________ $\degree$
13. Fill in the Blank
30 seconds
1 pt
$\sin\left(x+5\right)\degree=\cos45\degree$

$x=$ __________
14. Fill in the Blank
30 seconds
1 pt
$\sin\left(5x+15\right)\degree=\cos\left(4x-6\right)\degree$
$x=$ __________
15. Multiple Choice
30 seconds
1 pt
If $\cos\beta=\sin\theta$ , then which of the following are true? Select all that apply.
$\beta+\theta=180$
$\beta+\theta=90$
$90-\beta=\theta$
$180-\theta=\beta$
$\theta-90=\beta$
16. Multiple Choice
30 seconds
1 pt
Given the ratio $\frac{6}{10},$ which of the following is NOT equal to this value?
$\cos\angle B$
$\frac{AB}{BC}$
$\sin\angle C$
$\cos\angle C$
17. Multiple Choice
30 seconds
1 pt
Which of the following statements is FALSE?
$\sin15\degree=\cos65\degree$
$\sin70\degree=\cos20\degree$
$\cos43\degree=\sin47\degree$
$\sin12\degree=\cos78\degree$
18. Multiple Choice
30 seconds
1 pt
Which of the following are true? Select all that apply.
$\cos B=\frac{6}{10}$
$\sin C=\frac{8}{10}$
$\tan B=\frac{8}{6}$
$\sin B=\cos C$
$\sin B=\frac{8}{10}$
19. Multiple Choice
30 seconds
1 pt
Solve for x.
$x=12\sin30$
$x=\frac{12}{\sin30}$
$x=30\tan12$
$x=\frac{12}{\tan30}$
$x=12\tan30$
20. Multiple Choice
30 seconds
1 pt
Solve for the measure of angle A.
$\theta=\sin^{-1}\ \frac{25}{21}$
$\theta=\tan^{-1}\ \frac{25}{21}$
$\theta=\tan^{-1}\ \frac{21}{25}$
$\theta=\cos^{-1}\ \frac{21}{25}$
$\theta=\cos^{-1}\ \frac{25}{21}$
21. Fill in the Blank
1 minute
1 pt
$\cos\left(2x-10\right)=\sin\left(3x\right)$
x =
22. Multiple Choice
30 seconds
1 pt
To solve for x, I could do $x=\frac{24}{\tan62}$ or I could do which of the following?
$x=24\tan28$
$x=24\tan62$
$x=\frac{24}{\tan28}$
$x=\frac{24}{\sin62}$
23. Fill in the Blank
1 minute
1 pt
$\tan45\degree=$
24. Multiple Choice
45 seconds
1 pt
$\sin30=$
(Select all that apply)
$\cos60$
$0.5$
$\frac{\sqrt{3}}{2}$
$\cos\left(90-30\right)$
$\sin60$
25. Multiple Choice
30 seconds
1 pt
$\sin\ 60=$
$\frac{1}{2}$
$\frac{\sqrt{3}}{2}$
$1$
$\frac{\sqrt{2}}{2}$
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