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Fundamental Trig Properties

Across
In quadrant 3, tangent is
True for all theta within the domain
All trig functions are this, meaning they repeat back on themselves
How many radians are in a circle
Cosine of negative theta is the same as cosine ________
Cosine squared + sine squared =
Cosine and secant are the only functions that AREN'T this
Can be defined as y/x
Secant is the ___ of cosine
The reciprocal of cosine
These graphs are symmetrical about the y axis
Down
The unit circle can be determined using these right triangles
In quadrant 4, sine is
This has a radius of 1
Making these is the key to learning!
The reciprocal of sine
These identities are based on a right triangle theorem
The x-coordinate
When simplifying, this is the first identity we look at
Odd functions are symmetrical about the _________
These identities define tangent and cotangent
The y-coordinate