Question

Solve for the missing variables. Round to the nearest tenth.

Answer 1

Answer:

• 6.6, 10, 35.1°, 10.8

Step-by-step explanation:

Q1

• x/7 = sin 71°
• x = 7sin 71°
• x = 6.6

Q2

• x = √8²+6² = √64+36 = √100 = 10

Q3

• 18/22 = cos x
• x = arccos 9/11
• x = 35.1°

Q4

• 8/x = cos 42°
• x = 8/ cos 42°
• x = 10.8