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Trigonometry - Lesson 1 Flashcards | StudBud
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Trigonometry - Lesson 1
Trigonometry - Lesson 1
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1
Secant is the trigonometric reciprocal of _____________.
Tangent
Sine
Cosine
Cotangent
2
What can we use to remember the trigonometric ratios?
SOH CAH TOA
SOH TAH COA
SHO CHA TOA
CHA CHA CHA
3
Which one of the following statements is true?
\tan60=\frac{1}{\sqrt{3}}
\cos30=\frac{1}{2}
\sin30=\frac{1}{3}
\cot30=\sqrt{3}
4
Use exact values of the trigonometric ratios for the special angles to find Θ
60
30
15
45
5
For the triangle below, decide which trigonometric ratio (i.e. sin, cos or tan) you would use?
Cos
Nat
Tan
Sin
6
Exact values in Trigonometry use two special triangles
True
False
7
Use exact values of the trigonometric ratios for the special angles to find Θ
90
60
45
30
8
Simplify \frac{\cosθ}{\sinθ}
cosecθ
\secθ
\tanθ
\cotθ
9
Use exact values of the trigonometric ratios for the special angles to find Θ
30
45
60
180
10
If you have the angle and the adjacent side, you can use all trigonometric functions
except
(a)
Cos
Sin
Arc Tan
Tan
