engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Trigonometry Trigonometric Functions
यदि sin θ + cos θ = x और cos θ - sin θ = y हो तो tan 2θ = ?
1
\(\rm \frac{1}{2}\left(\frac{x}{y}-\frac{y}{x}\right)\)
2
\(\rm \frac{1}{2}\left(\frac{y}{x}+\frac{x}{y}\right)\)
3
\(\rm \frac{1}{4}\left(\frac{y}{x}+\frac{x}{y}\right)\)
4
\(\rm \frac{1}{4}\left(\frac{x}{y}-\frac{y}{x}\right)\)