defence exam Coast Guard Navik DB (Domestic Branch) 02/2025 Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
(cosA + sinA)(cotA + tanA) का सरलीकृत मान क्या है?
1
secA + cosecA
2
sinA + cosA
3
tanA + cotA
4
secA – cosecA