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Solve-for-x-2cot-2-x-csc-2-x-2-0-

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Question Number 140767 by EDWIN88 last updated on 12/May/21
Solve for x : 2cot^2 x + csc^2 x−2 = 0
Solveforx:2cot2x+csc2x−2=0
Answered by Ar Brandon last updated on 12/May/21
2cot^2 x+csc^2 x−2=0 2cot^2 x+cot^2 x+1−2=0 3cot^2 x−1=0 cotx=±((√3)/3) ⇒tanx=±(√3) x=±(π/3)+πn , n∈Z
2cot2x+csc2x−2=02cot2x+cot2x+1−2=03cot2x−1=0cotx=±33⇒tanx=±3x=±π3+πn,n∈Z

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