Viteee
Trigonometric Ratios And Identities
VITEEE 2022
MCQ+4 / -12022
\(\cos (x+y), \cos x, \cos (x-y)\) are in HP, then \(\cos x \sec \frac{y}{2}\) is
Viteee
VITEEE 2022
\(\cos (x+y), \cos x, \cos (x-y)\) are in HP, then \(\cos x \sec \frac{y}{2}\) is