.If \[\tan \theta =\frac{20}{21},\] cosq will be [MP PET 1994]

1.	.If \[\tan \theta =\frac{20}{21},\] cosq will be [MP PET 1994]
A.	\[\pm \frac{20}{41}\]
B.	\[\pm \frac{1}{21}\]
C.	\[\pm \frac{21}{29}\]
D.	\[\pm \frac{20}{21}\]
Answer» D. \[\pm \frac{20}{21}\]

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.If \[\tan \theta =\frac{20}{21},\] cosq will be [MP PET 1994]

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