Trigonometry - Equations
(based on the A sin x ± B cos x and A cos x ± B sin x identities)
Is the equation of the form A sin x ± B cos x or A cos x ± B sin x ?
These identities are useful when solving equations with the following forms.
In the examples that follow, I show you how to use them to change the equation into one with one trig. function.
Worked Solution to (1)
Worked Solution to (2)
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