state gov UPPCL Assistant Accountant 2022 - 23 Mock Test Quantitative Aptitude Trigonometry Circular Measure of Angles
sin72° = a/b, ನಂತರ cos72° + sin18° ರ ಮೌಲ್ಯವನ್ನು ಕಂಡುಹಿಡಿಯಿರಿ.
1
\(\frac{{\sqrt {{b^2} - {a^2}} }}{b}\)
2
\(\frac{{\sqrt {{a^2} - {b^2}} }}{a}\)
3
\(\frac{{2\sqrt {{b^2} - {a^2}\;}}}{b}\)
4
2 (b/a)