74OSWAAL CBFind the value of k for which the points2cos2 θ-1sin θ co – InterviewSolution

1.	74OSWAAL CBFind the value of k for which the points2cos2 θ-1sin θ cosθ17,Prove that cot®-tanθProve that sine (1 + tane) + cose (1 +cThe radii of two concentric circles are 13tangent to the smaller circle touching itathe length of AP18.
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