state gov Rajasthan Animal Attendant (पशु परिचर) Mock Test 2023-24 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If (x sinθ) = (y cosθ) = (2z tanθ) / (1 - tan2θ), then what is 4z2 (x2 + y2) equal to?
1
(x2 + y2)3
2
(x2 - y2)2
3
(x2 - y2)3
4
(x2 + y2)2
5
Question Not Attempted