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11th Standard English Medium Business Maths Subject Trigonometry Creative 2 Mark Questions with Solution Part - II Question Bank Software Jun-30 , 2021

QB365 provides detailed and simple solution for every 
Creative Questions in class 11 Business Maths Subject.It will helps to get more idea about question pattern in  every Creative questions with  solution.

11th Standard English Medium Business Maths Subject Trigonometry Creative 2 Mark Questions with Solution Part - II

11th Standard English Medium Business Maths Subject Trigonometry Creative 1 Mark Questions with Solution Part - II

11th Standard

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Business Maths

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. If \(\cos x=-\frac{1}{2}\) and \(\pi , find the value of \(4\tan^2x-3cosec^2x\)

  2. Evaluate \(\cot\left(\frac{-15\pi}{4}\right)\)

  3. In any quadrilateral ABCD, prove that sin (A + B) + sin (C + D) = 0

  4. Find the value of \(\cos\left(\frac{5\pi}{12}\right)\)

  5. Prove that \(sin^2\left(\frac{\pi}{8}+\frac x2\right)-sin^2\left(\frac{\pi}{8}-\frac x2\right)=\frac{1}{\sqrt2}\sin x.\)

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