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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- Given tan 2A = (2 tan A)/(1-tan^2A). If tan 30^@= 1/sqrt3, verify that...
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- Find the value of theta (0^@ le theta le 90^@) satisfying : tan theta+...
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- Find the value of theta (0^@ le theta le 90^@) satisfying : 2 sin^2 th...
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- Find the value of theta (0^@ le theta le 90^@) satisfying : 2 cos^2 th...
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- If sin theta= 21/29, prove that sec theta+ tan theta= 2 1/2 if theta l...
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- What will be the value of the expression sec theta+ tan theta and sin ...
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- What will be the value of the expression sec theta+ tan theta and sin ...
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- If sin(B +C-A)= cos(C+A-B) =tan (A+B-C)=1, find A, B, C which are posi...
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- Find the value of : cos 210^@.
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- Find the value of : sin 225^@.
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- Find the value of : sin 765^@.
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- Find the value of : tan 330^@.
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- Find the value of : tan frac (19 pi)(3).
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- Find the value of : cot (-315^@).
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- Find the value of : cot ((-15 pi)/4) .
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- Find the value of : sec frac (11 pi)(4).
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- Find the value of : cosec (-1410^@).
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- Prove that: (cos 135^@ - cos120^@)/(cos 135^@ + cos120^@) =3-2 sqrt2 .
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- Prove that: sin 150^@ cos 120^@+ cos 330^@ sin 660^@= - 1.
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- Prove that : sin 105^@ + cos 105^@ = cos 45^@.
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