SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि tan x = \(\frac{7}{5}\) है, तब \(\frac{9 \sin x - \frac{42}{5}\cos x}{15 \sin x + 21 \cos x}\) का मान कितना है?
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