Trig Ratios: Finding Missing Angles

Flashcard
•
Mathematics
•
10th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of sine (sin) in a right triangle?
Back
Sine (sin) is the ratio of the length of the opposite side to the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
2.
FLASHCARD QUESTION
Front
What is the definition of cosine (cos) in a right triangle?
Back
Cosine (cos) is the ratio of the length of the adjacent side to the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
3.
FLASHCARD QUESTION
Front
What is the definition of tangent (tan) in a right triangle?
Back
Tangent (tan) is the ratio of the length of the opposite side to the length of the adjacent side.
Tags
CCSS.HSG.SRT.C.6
4.
FLASHCARD QUESTION
Front
What is the purpose of inverse trigonometric functions?
Back
Inverse trigonometric functions are used to find the angle when the value of a trigonometric ratio is known.
Tags
CCSS.HSF.TF.B.7
5.
FLASHCARD QUESTION
Front
How do you find the missing angle using sine?
Back
Use the formula: angle = sin-1(opposite/hypotenuse).
Tags
CCSS.HSG.SRT.C.8
6.
FLASHCARD QUESTION
Front
How do you find the missing angle using cosine?
Back
Use the formula: angle = cos-1(adjacent/hypotenuse).
Tags
CCSS.HSG.SRT.C.8
7.
FLASHCARD QUESTION
Front
How do you find the missing angle using tangent?
Back
Use the formula: angle = tan-1(opposite/adjacent).
Tags
CCSS.HSG.SRT.C.8
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