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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
- Evaluate the following (sin 30^(@) +tan 45^(@) -cosec 60^(@) )/( co...
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- Evaluate the following 2 tan ^(2) 45^(@) +cos^(2) 30 ^(@) -sin ^(2)...
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- Evaluate the following (sec^(2) 60^(@) -tan ^(2) 60^(@) )/( sin ^(2...
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- ( 2tan 30 ^(@) )/( 1+tan ^(2) 45^(@) ) =
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- ( 1-tan ^(2) 45^(@) )/( 1+tan ^(2) 45^(@)) =
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- (2 tan 30^(@))/( 1-tan ^(2) 30^(@)) =
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- Is it right to say that cos ( 60^(@) + 30 ^(@) ) = cos 60^(@) cos 30 ^...
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- In right angle triangle Delta PQR ,right angle at Q,PQ = 6cm and angl...
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- In Delta XYZ , right angle is at Y,YZ =x, and XZ =2x Then determine an...
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- Is it right to say that sin (A+B) =sin A +sin B ? Justify your answer...
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- Check and discuss the above relations in the case of angles between 0^...
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- Check and discuss the below relations in the case of angles between 0°...
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- Check and discuss the below relations in the case of angles between 0°...
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- Check and discuss the below relations in the case of angles between 0°...
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- Check and discuss the above relations in the case of angles between 0°...
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- Check and discuss the above relations in the case of angles between 0°...
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- Evaluate (sec 35^(@))/( cosec 55^(@))
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- If cos 7A =sin (A-6^(@)) , where 7A is an acute angle ,find the valu...
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- If sin A =cos B , then prove that A+B =90 ^(@)
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- Express sin 81^(@) +tan 81^(@) in terms of trigonometric ratio of angl...
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