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Show that the equation , sec theta + "c...

Show that the equation , ` sec theta + "cosec" theta = c ` has two roots between 0 and `2pi` , if ` c^2 lt 8` and four root if ` c^(2) gt 8`.

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ARIHANT MATHS-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise (Subjective Type Questions)
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  19. Show that the equation , sec theta + "cosec" theta = c has two roots...

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  20. Solve the equation ( cos x - sin x )(2 tan x +(1)/( cos x ))+2 =0

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