Intro to Trigonometry

What is one way to define trigonometry?

• The study of shapes.

• The measuring of triangles.

• The tough part of geometry.

• Measuring of circles.

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Who is the father of trigonometry?

• Pythagoras

• Euclid

• Hipparchus

• Newton

What is the opposite side of the 90  right angle?

• Hypotenuse

• Adjacent

• Opposite

• Leg

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CCSS.HSG.SRT.C.6

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It refers to the side of the triangle that is opposite of the reference angle?

• Hypotenuse

• Adjacent side

• Angle

• Opposite side

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It is used in mathematics as a variable to represent a measured angle.

• Theta

• Opposite

• Hypotenuse

• Adjacent

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  What are the three primary trigonometric functions?

 

• Sine, Tangent, and Cosecant

• Cosine, Cotangent Secant

• Secant, Cosecant and Cotangent

• Sine, Cosine and Tangent

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What is the mnemonic term of primary trigonometric functions?

• SOH-CAH-TOA

• CHO-SAO-TAH

• SAH-CHA-TAO

• HAS-HOC-OTH

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What is the ratio of sine?

• Adjacent/hypotenuse

• Opposite/Adjacent

• Opposite/Hypotenuse

• None of the above

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  What is the ratio of Cosine?

• Opposite/Hypotenuse

• Adjacent /hypotenuse

• Opposite /Adjacent

•   None of the above

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CCSS.HSF.TF.A.3

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What is the Tangent?

• Opposite/Hypotenuse

• Adjacent/hypotenuse

• Opposite/Adjacent

• None of the above

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CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6