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CBSE Class 11-science Answered

1) Explain in full detail how to use a sine table to find the trigonometric values of any angle……  2)Also find the values of cos 88.9o and sin 72.3o ??
Asked by nitishkrnehu09 | 20 Jun, 2016, 06:07: PM
answered-by-expert Expert Answer

 

To find the value of sin 72°3' by the using the table of natural sines we need to go through the extreme left vertical column 0° to 90° and move downwards till we reach the angle 72°3'.

Then we move horizontally to the right at the top of the column headed by 3' and read the figure 0.95372, which is the require value of sin 72°3'.

Therefore, sin 72°3' = 0.95372

Answered by | 20 Jun, 2016, 06:37: PM

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