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F4 Ch10.1 Trigonometry Ratios of Any Angle Flashcards | StudBud
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F4 Ch10.1 Trigonometry Ratios of Any Angle
F4 Ch10.1 Trigonometry Ratios of Any Angle
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1
Find the definition of sinθ
\frac{y}{x}
\frac{y}{r}
\frac{x}{r}
\sqrt{x^2+y^2}
2
What is the sign of sin320º ?
Positive
Zero
Negative
3
What is the sign of sin85º ?
Negative
Zero
Positive
4
Which one is not a trigonometry function?
COS
TAN
SOC
SIN
5
Trigonometry
12/13
5/12
13/5
5/13
6
In which quadrant is \tanθ negative?
Quadrant 3, 4
Quadrant 1, 3
Quadrant 2, 4
Qudrant 1, 2
7
What is the sign of cos320º ?
Positive
Zero
Negative
8
What is the sign of sin185º ?
Zero
Positive
Negative
9
What phrase to remember the trigonometry functions?
SCT-OHO-HHA
SAH-COA-TOH
SOH-CAH-TOA
SOH-CAH-TAO
10
What is the sign of tan200º ?
Positive
Zero
Negative
11
Solve the problem:
8/17
-15/17
15/8
17/8
12
Solve the problem:
3/5
-4/5
-3/5
4/5
13
In which quadrant is \sinθ positive?
Quadrant 1, 3
Qudrant 1, 2
Quadrant 1, 4
Quadrant 2, 3
14
What is the possible value of the angle?
45º
-45º
-315º
230º
15
Trigonometry
13/5
5/13
5/12
12/13
16
Solve the problem:
3/5
4/5
-3/5
-4/5
17
Trigonometry
13/12
12/5
5/12
13/5
18
What is the possible value of the angle?
195º
175º
-195º
-175º
19
Solve the problem:
15/8
8/17
15/17
8/15
20
In which quadrant is \cosθ positive?
Quadrant 1, 3
Qudrant 1, 4
Quadrant 1, 2
Quadrant 2, 3
