Trigonometric ratios for 30 degrees


 
 
Concept Explanation
 

Value for the Trigonometrical Ratios for certain angle such as 30^0,60^090^0 and 45^0 are commonly called standard angles and the trigonometrical ratios of these angles are frequently used to solve particular angles.

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Sample Questions
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Question : 1

cosec : 30^o+sec : 30^o= _____________________.

Right Option : D
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Question : 2

Solve the following :

frac{5sin30^0-3cos30^0}{5sin30^0+2cos30^0}

 

Right Option : B
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Question : 3

The value for the expression is ____________.

frac{sqrt{13};sin 30^0+2;cos 30^0}{sqrt{13};sin 30^0 -2;cos30^0}

Right Option : D
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