What is the reference angle for the left side of the triangle? 94° 30° 40 ft.

Q: Grant is flying a kite on the end of a string that is 350 feet long. The angle of elevation from…

A: Use sin theta.

Q: A ski resort has installed a zip line. The zip line is 1750 feet long and allows its rider to…

A:

Q: Find the angle B in the triangle  b=3, c=4, A=30°

A:

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.