Q.

If the product of the intercepts made by the straight line xtanα+ysecα=1 on the coordinates axes is equal to sinα . Find α .

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Detailed Solution

 Given line xtanα+ysecα=1
xcotα+ycosα=1
x-intercept=cotα,y-intercepts =cosα
Given that Product of intercepts=sinα
sinα=cotαcosα=cosαsinαcosαsin2α=cos2αtan2α=1α=π4

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