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Using half angle formulas to solve trigonometric equations
👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the unit circle or calculator. Timestamps: 0:00 Intro 0:34 Start of Problem Corrections: 8:09 cos x=1 is at (1 ...
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