3.5 1. 5/2 2.10 The length of the c...
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3.5 1. 5/2 2.10 The length of the chord joining 0 and 6 on the circle x2+y2=a? is ..0+ 0 .0+ 0 1. 2a sin 0-6 e- 96. The ea 1.X- 97. The e 1. 3x 98 The 2. 2a sin 3. a sin 4. a sin 79. A circle touches x-axis and makes an intercept of length 2d on y-axis. The locus of the centre of the circles

JEE/Engineering Exams
Maths
Solution
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( p(a cos 0, a sin theta) quad varnothing(a cos t, b sin phi) ) ( left.a mid u sin ^{2} frac{theta-phi}{2}right) ) ( cos 20^{circ} ) 10 ( 24 cos left(frac{0-phi}{2}right) quad cos 2 t=1-2 sin ^{2} t ) ( 2 sin ^{2} t=1-cos 2 t ) ( 4 sin ^{2} t=2-2 cos 2 t )
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