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Maths Methods Quiz 1 Flashcards | StudBud
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Maths Methods Quiz 1
Maths Methods Quiz 1
10 terms
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Liya and Tamanna
Flashcards
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Questions
10
Answers
1
What are the functions that relate an angle with a ratio of two sides in a right triangle?
Sine, Casine, Tan
Sin, Cos, Tan
Sine, Cosine, Tangent
Trigonometry
2
What is the best definition of Trigonometry?
A branch of mathematics that studies relationships between side lengths and
The study of numbers, shapes, and space using reason and usually a special.
The study of 3 sided shapes.
3
Sine =
Tangent/Opposite
Tangent/Hypotenuse
Opposite/Hypotenuse
Hypotenuse/Opposite
4
The area of a triangle is absinB/2
False
True
5
The sin rule is: a/sin A = b/sinB = c/sinC
True
False
6
What are the alternative formulas for the cosine rule (there is more than 1 answer)
b^2=a^2+b^2-2acCosC
b^2=c^2+a^2-2acCosB
a^2=b^2+c^2-2bcCosA
c^2=a56+b^2-2acCosC
7
SOH-CAH-TOA is an acryonym used to help us remember the Sine, Cosine, and Tangent ratios
True
False
8
cosine rule is...
c^2=CosC
c^2=a^2+b^2-2acCosC
c^2=a^2+b^2-2abCosC
u^2=a^5+b^9-2abCosC
9
sin 155 (obtuse angle) = A (acute angle)
A = 150
A = 72
A = 56
A = 25
10
Tan =
Adjacent/Tangent
Opposite/Adjacent
Adjacent/Hypotenuse
Cosine/Adjacent
