Geometric Mean
Special Right Triangles
Trig Ratios
100

What is geometric mean?

Geometric mean is the average of a set of products.

100

What are the two special right triangles?

45, 45, 90; 30, 60, 90

100

What are all of the trigonometric functions?

sin, cos, tan
200

Where is geometric mean used in the real world?

The geometric mean is commonly used in business and finance to calculate financial asset and portfolio returns.

200

For a 45-45-90 triangle, what are the ratios?

45-x, 45-x, 90-x√2

200

What are the inverse of trigonometric functions called?

arc(tan), arc(cos), arc(sin)
300

What is the geometric mean between 25 and 4?

The geometric mean between 25 and 4 is 10. 25 x 4= 100. √100=10.

300

For a 30-60-90 triangle, what are the ratios?

30-x, 60- x√3, 90-2x

300

What are the ratios of all the trigonometric functions?

sin=opposite/hypotenuse; cos=adjacent/hypotenuse, tan=opposite/adjacent

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