Intro to Right Triangle Trigonometry

Choose the correct set up to find the length of the side x.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5

Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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What is the ratio for Sine?

• Hypotenuse/Opposite

• Opposite/Hypotenuse

• Opposite/Adjacent

• Adjacent/Opposite

What is the ratio for Tangent

• Opposite/Adjacent

• Adjacent/Opposite

• Opposite/Hypotenuse

• Hypotenuse/Opposite

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

• sine

• cosine

• tangent

• cotangent