Find the value of tan ""(13pi)/(12)....

Find the value of `tan ""(13pi)/(12).`

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Verified by Experts

The correct Answer is:

`2-sqrt3`

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NCERT TAMIL-TRIGONOMETRIC FUNCTIONS -MISCELLANEOUS EXAMPLES

Find the value of tan ""(13pi)/(12).
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(sin 3x + sin x ) sin x + (cos 3x - cos x) cos x =0
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(cos x + cos y ) ^(2) + (sin x - sin y ) ^(2) = 4 cos ^(2) ""(x + y ...
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(cos x- cos y) ^(2) + (sin x - sin y) ^(2) =4 sin ^(2) "" ( x-y)/(2)
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sin x + sin 3x + sin 5x + sin 7x = 4 sin ^(2) "" (x-y)/(2)
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((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x...
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sin 3x + sin 2x - sin = 4sin x cos "" x/2 cos "" (3x)/(2)
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tan x = - 4/3 ,x in quadrant II
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cos x =- 1/3, x in quadrant III
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sin x = 1/4 ,x in quadrant II
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