Retake: Unit 3 Laws, Area, and Trig Identities

Front

What is the double-angle identity for sine?

Back

Front

What is the double-angle identity for tangent?

Back

Front

What is the formula for the area of a triangle given two sides and the included angle?

Back

Front

What is the Pythagorean identity?

Back

Front

What is the relationship between tangent and secant?

Back

Front

How do you simplify the expression tanB (cotB + tanB)?

Back

Front

What is the formula for the area of a triangle using Heron's formula?

Back

Front

What is the formula for the area of a triangle when given the base and height?

Back

Front

What is the sine of an angle in a right triangle?

Back

Front

What is the cosine of an angle in a right triangle?

Back