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About Those TanGents Beach Buddies by flickr user RcktManIL and some of their functional friends ...

Pre-Cal 40S February 9, 2009

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More about exact values in the unit circle and the reciprocal trig functions.

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Page 1: Pre-Cal 40S February 9, 2009

About Those TanGents

Beach Buddies by flickr user RcktManIL

and some of their functional friends ...

Page 2: Pre-Cal 40S February 9, 2009

TANGENT VALUES

ARE ORANGE

UNDEFINED

UNDEFINED

-

Page 3: Pre-Cal 40S February 9, 2009
Page 4: Pre-Cal 40S February 9, 2009

Simple math correction ...

Get ready for a little mental math ...

Page 5: Pre-Cal 40S February 9, 2009

In which quadrant is csc ⊝ < 0 and sec ⊝ > 0?

In which quadrant is sin ⊝ < 0 and cos ⊝ > 0?

Page 6: Pre-Cal 40S February 9, 2009

The Other Trig Functions ...SOH CAH T0AReciprocal Trig Functions

Cosecant

Cotangent

Secant

Page 7: Pre-Cal 40S February 9, 2009

In which quadrant is csc ⊝ < 0 and sec ⊝ > 0?

In which quadrant is sin ⊝ < 0 and cos ⊝ > 0?

Page 8: Pre-Cal 40S February 9, 2009

Is the point on the unit circle?

Page 9: Pre-Cal 40S February 9, 2009

Find the exact value of each expression:

Page 10: Pre-Cal 40S February 9, 2009

Find the exact value of each expression: