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Trigonometry Exit Definitions sine cosine & tangent adjacent side opposite side angle hypotenuse Terminology

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Triangle terminology Exit Opposite side Opposite side Adjacent side Adjacent side Hypotenuse Contents Terminology Definitions

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angle Opposite side: the side opposite the angle Exit opposite angle Opposite side Opposite side Adjacent side Adjacent side Hypotenuse Contents Terminology Definitions

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adjacent Adjacent side: the side beside the angle Exit adjacent angle Opposite side Opposite side Adjacent side Adjacent side Hypotenuse Contents Terminology Definitions

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Hypotenuse: the longest side Exit hypotenuse Opposite side Opposite side Adjacent side Adjacent side Hypotenuse Contents Terminology Definitions

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Exit Tangent Sine Cosine A B 90 o C a c b Contents Terminology Definitions

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Exit clear Sine Cosine A B 90 o C a c b tan(A) = tan(B) Tangent of angle A opposite adjacent abab = Contents Terminology Definitions

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Tangent of angle B Exit clear Sine Cosine A B 90 o C a c b tan(B) = tan(A) opposite adjacent baba = Contents Terminology Definitions

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Sine of angle A Exit Tangent Cosine A B 90 o C a c b sin(A) == acac sin(B) opposite hypotenuse Clear Contents Terminology Definitions

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Sine of angle B Exit Tangent Clear A B 90 o C a c b sin(B) == bcbc sin(A) opposite hypotenuse Cosine Contents Terminology Definitions

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Cosine of angle A Exit Tangent Sine Clear A B 90 o C a c b cos(A) == bcbc cos(B) adjacent hypotenuse Contents Terminology Definitions

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Cosine of angle B Exit Tangent Sine Clear A B 90 o C a c b cos(B) == acac cos(A) adjacent hypotenuse Contents Terminology Definitions

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Warm up 1. Name the three trig ratios you learned last time. 2.Write the three trig functions as ratios. 3.What is sinA? cosA? tanB? A B C 4 m 3 m 5 m.

Warm up 1. Name the three trig ratios you learned last time. 2.Write the three trig functions as ratios. 3.What is sinA? cosA? tanB? A B C 4 m 3 m 5 m.

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