If sinx = \( \frac{3}{10} \), then what is the value of tan x + cot x = ?
\(
\frac{100}{3\sqrt{91}}
\)
\(
\frac{100}{2\sqrt{83}}
\)
\(
\frac{100}{7\sqrt{95}}
\)
\(
\frac{100}{3\sqrt{85}}
\)
The marked price of a frock is ₹4,500. It is to be sold at ₹2,400 at two successive discounts. If the first discount is 20%, then the second discount will be:
Solve the given expression.
\(
\frac{\sec^{2}(90^\circ-\theta)-\cot^{2}\theta}{2\left(\sin^{2}35^\circ+\sin^{2}55^\circ\right)}
\)