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The measure of an angle in degrees, grades and radians be D,G and C respectively then the relation between them
$\frac{D}{90} = \frac{G}{100} = \frac{2 C}{π} b u t 1^{c} = {(\frac{180}{π})}^{°} = 57 ° .17' 44.8 "$ then the value of $\cos 1^{c}$ is

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Correct option is C

1c=57°,17',44.8"<60°∴cos1c>cos60°=12Hence cos1c>12 ∵ cos is decreasing in 0,π2

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The measure of an angle in degrees, grades and radians be D,G and C respectively then the relation between themD90=G100=2Cπ but 1c=180π°=57°.17'44.8"then the value of cos1cis

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Ready to Test Your Skills?

free study material

The measure of an angle in degrees, grades and radians be D,G and C respectively then the relation between them
$\frac{D}{90} = \frac{G}{100} = \frac{2 C}{π} b u t 1^{c} = {(\frac{180}{π})}^{°} = 57 ° .17' 44.8 "$ then the value of $\cos 1^{c}$ is