Inverse Trig Right Triangles

Which equation would be used to solve for x?

• x²+78²=11²

• sin(78)= x/11

• sin(11)= x/78

• sin^-1(11/78)

Which equation would be used to solve for x?

• x²+25²=32²

• cos(25)= x/32

• tan^-1(32/25)

• cos^-1(25/32)

Choose the correct ratio.

• A

• B

• C

• D

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Find the measure of the missing angle.

• 49^o

• 50^o

• 41^o

• 33^o

• 6.99
• 6.33
• 13.59
• 7.83

• 20.35
• 12.72
• 14.99
• 21.83

• 57.99
• 51.32
• 38.68
• 32.00

• 9.28
• 2.87
• 2.97
• 8.76