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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
8.5 Trigonometric Values of Angles

Function In terms of sin and cos In a right angle 0o 30456090
sin sin opposite / hypotenuse 0 1/22/23/21
cos cos adjacent / hypotenuse 1 3/22/21/20
tan sin / cos opposite / adjacent 0 3/313undefined
sec 1 / cos hypotenuse / adjacent 1 23/322undefined
csc 1 / sin hypotenuse / oppostie undefined 2223/31
cot cos / sin adjacent / opposite undefined 313/30

The following table shows a simple way to remember the trigonometric values of angles.

Function 0o 30456090
sin 0/2 1/22/23/24/2
cos 4/2 3/22/21/20/2
tan 0 3/313undefined
sec 1 23/322undefined
csc undefined 2223/31
cot undefined 313/30


Directions: Find the trigonometric values for the following. Also write at least 10 examples of your own.
Q 1: cos 90
Answer:

Q 2: sec 0
Answer:

Q 3: tan 45
Answer:

Q 4: cosec 90
Answer:

Q 5: cot 45
Answer:

Q 6: cosec 30
Answer:

Q 7: cos 0
Answer:

Q 8: sin 0
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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