Subject: Maths, asked on 22/5/18

## No links Question No. 3 If lies in A. quadrant I or quadrant II B. quadrant I or quadrant III C. quadrant II or quadrant III D. quadrant II or quadrant IV

Subject: Maths, asked on 22/5/18

## Q). If $\mathrm{tan}50°=a$, then what is the value of $\left(\mathrm{tan}70°-\mathrm{tan}20°\right)$? A. 0 B. 1 C. a D. 2a

Subject: Maths, asked on 22/5/18

## Solve this: Question No. 18  What is the general solution of :

Subject: Maths, asked on 22/5/18

## No links: Question No. 8  Use the following information to answer the next question.  (A) 0o (B) 5o (C) 15o (D) 30o

Subject: Maths, asked on 22/5/18

## Let sin x + sin y = m and cos x – cos y = n. If $\frac{{\mathrm{cos}}^{2}\left(\frac{x+y}{2}\right)}{{\mathrm{cos}}^{2}\left(\frac{x-y}{2}\right)}=\frac{{n}^{2}\left({k}_{1}-{m}^{2}-{n}^{2}\right)}{{m}^{2}\left({k}_{2}+{m}^{2}+{n}^{2}\right)}$then (A) k1 = 4                    (B) k2 = 4                   (C) (A) k2 = 0               (D) k1 = 0

Subject: Maths, asked on 22/5/18

## No links Question No. 14. What is the graph of 3 sin 2x, where 0 $\le$x $\le$ 2$\mathrm{\pi }$? A. B.

Subject: Maths, asked on 22/5/18

## Q.1. In , the value of k is A. 1 B. 2 C. - 1 D. - 2

Subject: Maths, asked on 22/5/18

## Q. Solve : ${\mathrm{sin}}^{8}x-{\mathrm{cos}}^{8}x$.

Subject: Maths, asked on 22/5/18

## Solve this: Question No. 22  What is the general solution of the equation (sin 2x+ 2 sin 4x + sin 6x = 0)?

Subject: Maths, asked on 22/5/18

## Q.24. In $△$PQR; if sec R = 2 sin Q cosec P, then $△$PQR is A. an isosceles triangle B. an equilateral triangle C. a right-angled triangle   D. a right-angled isosceles triangle

Subject: Maths, asked on 22/5/18

## Q.25. What is the simplified form of the expression $\left(cot8°-\mathrm{tan}8°\right)×\left(\frac{\mathrm{cos}29°-\mathrm{sin}29°}{\mathrm{cos}29°+\mathrm{sin}29°}\right)$? A. 1 B. 2 C. sin 16$°$ D. cos 58$°$

Subject: Maths, asked on 22/5/18

## Solve this:

Subject: Maths, asked on 22/5/18

## No links , the alternative solution is also there

Subject: Maths, asked on 22/5/18

## In ?ABC, sin^2(A\2) ?sin^2(B\2) +sin^2(C\2)+ 2cos(A\2) sin(B\2) cos(C\2)= k then the value of k is

Subject: Maths, asked on 21/5/18

## sin2x sinx+cos6x sin3x/sin2x sinx +sin6x cosx = cot5x

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