Introduction to Right Triangle Trigonometry

What trigonometric function is the reciprocal of the sine function?

• cosine

• cosecant

• secant

• cotangent

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• all of the above

• longest side

• hypotenuse

• adjacent side

• opposite side

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If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

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Which side is opposite angle x?

• 1

• 2

• 3

What is the ratio for Sine?

• Hyp/Opp

• Opp/Hyp

• Opp/Adj

• Adj/Opp

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What is the ratio for Tangent

• Opp/Adj

• Adj/Opp

• Opp/Hyp

• Hyp/Opp

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What is the ratio for Cosine?

• Opp/Hyp

• Opp/Adj

• Adj/Opp

• Adj/Hyp

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In a right angled triangle ABC right angled at B. If AB is opposite side, BC is adjacent side and AC is hypotenuse. find the trigonometric ratios?

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How many trigonometric ratios are their ?

• 5

• 8

• 6

• 7

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