*NEW* Playlist added below with all relevant HL content
Using the cosine rule:
Converting between radians and degrees:
Graphing a sine function:
Graphing trig functions with phase shifts etc:
Slightly more difficult example:
Slightly more difficult again:
Inverse trig functions – how to graph arcsinx:
Trig identities:
Double angle identities:
Sum identities:
Solving trig identities using quadratic formula:
Finding which quadrant an angle is in:
Factorising to solve trig equations:
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