Question on Advanced function grade 12
Determine the value of "a" in the following equation :
2 tanx - tan2x + 2a = 1 - tan2x ･ tan^2x
Hint: Double Angle Formula for Tangent is :
tan2x = 2tanx/1-tan^2x

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Hint: apply the double angle formula

would i matter which side i start first ? :S

i am confused
why don't you just add \(\tan(2x)\) to both sides and get rid of it

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