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(i) `4cos^(2)x=1` (ii) `4sin^(2)x-3=0` (iii) `tan^(2)x=1`

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in Trigonometry by (25.6k points)
(i) `4cos^(2)x=1`
(ii) `4sin^(2)x-3=0`
(iii) `tan^(2)x=1`
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1 Answer

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Correct Answer - (i) `x=(npi+-(pi)/(3)), n in I`
(ii) `x=(npi+-(pi)/(3)), n in I`
(iii) x=(npi+-(pi)/(4)), n in I`
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