railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि a cosθ – b sinθ = c, तो a sinθ + b cosθ का मान ज्ञात कीजिए।
1
\(\sqrt{a^2 + b^2 + c^2}\)
2
± \(\sqrt{a^2 + b^2 - c^2}\)
3
\(\sqrt{b^2 + c^2 - a^2}\)
4
± \(\sqrt{a^2 + c^2 - b^2}\)