If 2 x 3 4 , then ^ -1 ( 12 13 x+ 5 13 x ) is equal to
Mathematics · JEE Main · NTA Exams — Trigonometry
If \(\frac{\pi}{2} \leq x \leq \frac{3 \pi}{4},\) then \(\cos ^{-1}\left(\frac{12}{13} \cos x+\frac{5}{13} \sin x\right)\) is equal to
Answer
(C)
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