Pythagorean Theorem/Trig Test Review

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​24'

18'

​x

​Test Review

1. Find the length of x

2. Find Sin Θ

3. Find Cos Θ

4. Find Tan Θ

5. Find Csc Θ

6. Find Sec Θ

7. Find Cot Θ

8. Find the measure of Θ in degrees round to the nearest tenth.

​Θ

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​24'

18'

​x = 30'

​Test Review
Key

1. Find the length of x

   a²+b²=c²

   18²+24² = x²

   324 + 576 = x²

   900 = x²

   √900 = √x²

   30' = x

2. Sin Θ = 24/30 = 4/5

3. Cos Θ = 18/30 = 3/5

4. Tan Θ = 4/3

5. Csc Θ = 5/4

6. Sec Θ = 5/3

7. Cot Θ 3/4

8. Θ = Sin^-1(4/5) = 53.1^°

​Θ