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UNIT 7 : TRIGONOMETRIC FUNCTIONS
LESSON 3: ANGLES IN STANDARD POSITION AND THE UNIT
CIRCLE HOMEWORK QUESTIONS
Quick
Review:
Angles
in Standard Position using the Unit Circle:
Special
Angles Table:
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The CAST rule:
The CAST
RULE is a memory aid
which tells us the sign of the trig ratios in the various quadrants.
In the
first quadrant ALL are positive. This is denoted using the letter A.
In the
second quadrant, SINE
is positive. This is denoted by
the letter S.
[ the
other two ratios are negative ]
In the
third quadrant, TANGENT
is positive. This is denoted by
the letter T.
[ the
other two ratios are negative ]
In the
fourth quadrant, COSINE
is positive. This is denoted by
the letter C.
[ the
other two ratios are negative ].
The Unit Circle for Special Angles
Homework
questions: (Solutions below)
2. Find the exact value of each of the
following.
3. Find the exact value of each of the
following:
2. Find the exact value of each of the
following.
Special
Angles Table:
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