The bar graph shows the production of tablets and mobiles in four consecutive years. Calculate the ratio of mobiles in 2015 to tablets in 2018.
If c=\(\frac{9}{10}\) , then what is te value of cos2C ?
\(\frac{19}{100}\)
\(\frac{81}{\sqrt{19}}\)
\(\frac{19}{10}\)
\(\frac{\sqrt{19}}{100}\)
Price of 15 chairs is 20 percent more than the price of 8 tables. If price of 2 tables is Rs.2400, then what is the price of 15 chairs ?
What is the value of \(\frac{1+\tan A}{\cosec A}+\frac{1+\cot A}{\sec A}\) ?