Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
For the quadratic equation ax2 + bx + c = 0, if sinθ and cosecθ are the roots for the equation, then find the value of sin2θ + cosec2θ.
1
\(\frac{b^2~-~2a^2}{a^2}\)
2
\(\frac{b^2 ~+~ 2a^2}{a^2}\)
3
\(\frac{b^2 ~-~ a^2}{a^2}\)
4
More than one of the above
5
None of the above