engineering recuitment NFC Chemical Plant Operator Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि 1 – sin2θ = (20/29)2, (tanθ + cotθ)1/2 का मान ज्ञात कीजिए।
1
(29√105)/210
2
(27√105)/180
3
(29√108)/210
4
(27√108)/180