Right Triangle Trigonometry

What is sin(A) ?

What is cos(A) ?

What is cos(c) ?

Cos(Z)=

• sin(x)

• tan(z)

"θ" is used to represent an unknown ____________.

• angle

• side

• hypotenuse

What is the value of "x" in the diagram below?

• 2.5

• 5

• 5√3

• 10

What is the value of "y" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

Which expression is correct for "y"?

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)