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2 Unit Revising Marathon (1 Viewer)

Donwil

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no solution as the absolute value makes whatever is in between them positive, hence can not equal negative 5
 

shravan_872

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Re: 2 Unit Revising Marathon HSC '10

tanx=3cotx

tanx=3/tanx

〖tan〗^2 x=3
tanx= + or - √3
x=π/3, 2pi/3, 4π/3, 5pi/3 with the domain of 0≤x≤2π
 
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