engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
cos x = p/q மற்றும் 0° < x < 90° எனில், டான் x இன் மதிப்பு:
1
\(\frac{{\sqrt {{q^2} - {p^2}} }}{p}\)
2
\(\frac{p}{{\sqrt {{p^2} - {q^2}} }}\)
3
\(\frac{q}{{\sqrt {{q^2} - {p^2}} }}\)
4
\(\frac{{\sqrt {{q^2} - {p^2}} }}{q}\)