knowledge of trigonometry

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

What helps you in solving a trig word problem

• Drawing a picture

• Coloring a picture

• Adding all the shapes together

• Subtracting all the shapes together

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is closest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

Jane and Miguel are siblings. They go to different schools. Jane walks 6 blocks east from home. Miguel walks 8 blocks north. How many blocks apart would the two schools be if you could walk straight from one school to the other?

• 14
• 10
• 5.3
• 2

To use the Pythagorean Theorem, we need...

• A triangle with 2 known angles
• A right triangle with 2 known angles
• A triangle with 2 known sides
• A right triangle with 2 known sides

A bird watcher spots an eagle in a tree at an angle of elevation of 57 degrees and is 50 feet from the base of the tree. How high off of the ground is the eagle?

• 77 feet

• 32 feet

• 42 feet

• 27 feet

A ramp into a warehouse is 14 feet long. The bottom of the ramp is 10 feet from the base of the warehouse. What is the angle of between the ramp and the ground?

• 44.4 degrees

• 45.6 degrees

• 35.5 degrees

• 54.5 degrees

A power line stretches from the top of a building to the ground. The power line is 100 ft. long and the building is 50 ft. tall. What is the horizontal distance from the end of the power line to the building? 

• 220.3 ft. 
• 100 ft.
• 86.6 ft. 
• 73.8 ft. 

Which scenario describes the picture shown?

• A 5 foot ramp is 8 feet away from a building.  What is the angle that the ramp makes with the ground?
• A 5 foot ramp leans against an 8 foot structure.  What is the angle that the ramp makes with the ground?
• An 8 foot ramp leans
  against a building 5 feet away.  What angle does the ramp make with the ground?
• A 5 foot man is 8 feet away from a building.  What is the angle of elevation?