# Thread: Trigonometric Ratios (Find all unknown sides and angles)

1. ## Trigonometric Ratios (Find all unknown sides and angles)

Here's the question... It asks "Find all the unknown sides and angles in the following"

And the answer from the answer sheet in the back of the textbook (question 2a):

2. ## Re: Trigonometric Ratios (Find all unknown sides and angles)

Please provide some idea of how you tried to do it. We can help you better that way.

This is a right triangle, so we know $\displaystyle a^2 + b^2 = c^2$. Then you have all the sides of the triangle.

So what's next?

-Dan

3. ## Re: Trigonometric Ratios (Find all unknown sides and angles)

Originally Posted by Freddie1
Here's the question... It asks "Find all the unknown sides and angles in the following"

And the answer from the answer sheet in the back of the textbook (question 2a):

This is a right triangle, so we know $\displaystyle a^2 + b^2 = c^2$. Then you have all the sides of the triangle.