12. Use the CAST Rule and Special Angle Triangles to find the exact value of: a) tan 315° b) sin 240° c) tan (-120°)

With reference to 1, name each of the sides of the following triangles as opposite, adjacent, or hypotenuse. Name sides r, x, and y.

Find the size of A to the nearest second?

In Exercise 17 to 22, use either the sine ratio or the cosine ratio to find the length of the indicated sides of the triangle correct to the nearest tenth of a unit.

With reference to 1, name each of the sides of the following triangles as opposite, adjacent, or hypotenuse. Name sides f, g, and h.