Math  /  Trigonometry

QuestionQ14) The value of 4sin1(519)+4cos1(519)=4 \sin ^{-1}\left(\frac{\sqrt{5}}{19}\right)+4 \cos ^{-1}\left(\frac{\sqrt{5}}{19}\right)= a) π\pi b) 12π\frac{1}{2} \pi c) 14π\frac{1}{4} \pi d) 2π2 \pi

Studdy Solution
القيمة النهائية هي:
2π \boxed{2\pi}

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