CBSE Class 12-science Answered
please clarify one doubt..... sin(cot^-1(cos(tan^-1x)))....... you have to reduce to the lowest form
Asked by | 07 May, 2008, 04:55: PM
Expert Answer
tan-1 x = cos-1 (1 / (1+x2)1/2)
cot-1 (1 / (1+x2)1/2) = sin-1( (1+x2)1/2 /(2+x2)1/2 )
ans is = (1+x2)1/2 /(2+x2)1/2
Answered by | 10 Aug, 2008, 04:05: AM
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