CBSE Class 11-science Answered
Trigonometry
Asked by | 16 Sep, 2009, 01:27: PM
Expert Answer
2 secx + tanx = 1
Multiplying both sides by cos x we get
2+sin x = cos x
so cos x - sin x = 2
dividing by 2 we get (cos x )/2 - (sin x )/2 = 1
cos (x+/4)=cos 0
so x+/4 = 2n
or x = 2n - /4
Answered by | 21 Oct, 2009, 12:33: PM
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