Q: CA Pythagorean & Trigonometry "D" Test

Which equation is correct for solving the variable?

• sin 63º = a/89

• sin 63º = 89/a

• cos 63º = a/89

• tan 63º = a/89

• cos 63º = 89/a

Solve for a. Round to 1 decimal place.

(a)  

• 52.5
• 87.4
• 169.8
• 119.0
• 198.0

How long is the hypotenuse?

Round to 1 decimal place.

Which equation is correct for solving the variable?

• tan 41º = x/23

• sin 41º = x/23

• cos 41º = x/23

• sin 41º = 23/x

• cos 41º = 23/x

Complete the equation:

cos xº = ​ (a)  

• 24/25
• 7/24
• 7/25
• 25/24
• 25/7

Complete the equation:

sin xº = ​ (a)  

• 60/61
• 60/11
• 11/61
• 11/60
• 61/60

Typing it in the Calculator: Which equation is the correct way the to find the value of the variable?

• r = 19 / sin 54
• r = 19 sin 54
• r = 19 cos 54
• r = 19 tan 54
• r = 19 / cos 54

🎈Typing it in the Calculator: Which equation is the correct way the to find the value of the variable?

• 2nd tan(150/110)

• 2nd tan(110/150)

• 2nd sin(150/110)

• 2nd sin(110/150)

• 2nd cos(110/150)

Missing side: Finding the value of the variable . Round to 1 decimal place.

Missing angle: Finding the value of the variable . Round to the nearest degree.