Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

tan\(\frac{x}{2} = \frac{{1 - \cos x}}{{\sin x}}\) ಸೂತ್ರವನ್ನು ಬಳಸಿಕೊಂಡು, tan 22.5° ನ ಮೌಲ್ಯವನ್ನು ಕಂಡುಹಿಡಿಯಿರಿ?

1
\(\sqrt 2 - 1\)
2
\(\sqrt 2 + 1\)
3
\(\frac{{\sqrt 3 + \sqrt 2 }}{2}\)
4
\(\frac{{\sqrt 3 - \sqrt 2 }}{2}\)

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