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CHHAYA PUBLICATION-GENERAL SOLUTIONS OF TRIGNOMETRIC EQUATIONS -Short Answer Type Questions
- tantheta + cot 2theta=2
04:44
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- cot theta + tantheta = 2sectheta (0^(@) lt theta lt 360^(@))
05:53
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- cot2x = cosx + sinx
07:21
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- sinx + cosx = sqrt(2) cos2x
06:11
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- cotx - cot2x =2
04:21
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- cosx + cos2x + cos3x=0
03:16
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- sin2x + sin4x + sin6x=0
04:26
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- cosx - sin3x = cos2x
08:18
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- sin theta +sin 2theta+sin3theta+sin4theta=0
07:38
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- sin3x + sinx = cos6x + cos4x
07:15
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- sin 5x - sin3x - sinx=0 (0^(@) lt x lt 360^(@))
07:40
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- cos 4theta = cos 3theta - cos2theta
04:04
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- sin5x cos3x = sin 9x cos7x
06:14
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- cos9x cos7x = cos5x cos3x [-pi/4 le x le pi/4]
05:54
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- 2sin^(2)theta + 3 costheta =0
05:17
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- cos^(2)theta - sintheta = 1/4 (0^(@) lt theta lt 360^(@))
05:27
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- 2cos^(2)theta - sintheta +1=0 (0^(@) lt theta lt 1000^(@))
05:23
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- cos2x - 5 cosx +3 =0 (0 lt x lt 2pi)
04:41
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- 3(sec^(2)theta+ tan^(2)theta) =5 (theta^(@) lt theta lt 360^(@))
03:56
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- 2(sec^(2)theta + sin^(2)theta) =5
06:48
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