Trigonometry - Equations
(based on the Pythagorean Identities)
If the equation contains trig functions with the same angle and some of them are squared then it may be possible to use a Pythagorean identity to write an equation in the same trig. function which may then possibly factorise.
In these examples I show you how the Pythagorean identities help solve some equations.
Pythagorean Identities
Worked Solution to (3)
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