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Solve (i) 2 sin x+ tan x=0 (ii)7 cos^(2) theta+3 sin^(2) theta=4 (iii) cos x + sec x=2 (iv)Solve tan x + tan 2x+tan 3x=0 (v) sin x sin 3x=1//2 (vi)cot(pi)/(3) cos (vii)Solve sec x-1=sqrt(2-1)tan x 2nx=sqrt(3) |
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Answer» (ii) `2npipx(pi)/(3),2npipm(2pi)/(3)` (iii)`2npi` (IV)`(npi)/(3),npipmtan^(-1)(1)/SQRT(2)` (v)`(2n+1)(pi)/(4),(6kpm1)(pi)/(6)` (VI)`x=m pm 1//6, m in I` (vii)`2npi+(pi)/(4)` |
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