Q: CA Pythagorean & Trigonometry "C" Test

Which equation is correct for solving the variable?

• cos 28º = x/122

• sin 28º = x/122

• sin 28º = 122/x

• tan 28º = x/122

• cos 28º = 122/x

What is the height (y) of the tree? (Round to 1 decimal place.)

(a)  

Which equation is correct for solving the variable?

• sin 30º = d/300

• cos 30º = d/300

• tan 30º = d/300

• cos 30º = 300/d

• sin 30º = 300/d

Find the value of x. Round to 1 decimal place.

(a)  

• 326.6
• 237.3
• 139.5
• 155.3
• 112.9

Complete the equation:

tan xº = ​ (a)  

• 9/40
• 9/41
• 40/41
• 41/40
• 41/9

Complete the equation:

cos xº = ​ (a)  

• 8/17
• 17/8
• 15/17
• 17/15
• 8/15

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

• h = 1000 cos 60º
• h = 1000 sin 60º
• h = 1000 tan 60º
• h = 1000 / sin 60º
• h = 1000 / cos 60º

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

• r = 15 / sin 54
• r = 15 sin 54
• r = 15 cos 54
• r = 15 tan 54
• r = 15 / cos 54

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

(a)  

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

(a)