Right Triangle Trigonometry Quiz

What is the sine of angle E expressed as a simplified fraction?

• 35/37

• 5/13

• 37/35

• 1/2

How do you express the cosine of angle S in its simplest form?

• 2/5

• 1/2

• 5/13

• 10/26

What is the simplified form of the sine of angle I?

• 6/61

• 6√61/61

• √61/6

• 61/6

What is the cosine of angle Z after rationalizing the denominator?

• √35/7

• √5/7

• 5/√7

• 7/√35

What is the cosine of 60 degrees in a 30-60-90 triangle?

• 1/2

• √3/2

• 2/√3

• 1/√2