Simplification Questions

• What should be added to 3(x - 2y) to obtain 2(3x + y) - 5(2x + 3)?
• 2sinAsinB is equal to
• For triangle PQR, what is the equation of altitude PS if coordinates of P, Q and R are (5,1), (0,4) and (2,3) respectively?
• If 51.97 (81.18 - x ) - 59.39 = 5.268, then value of x will be
• What is the value of sin -300°?
• If 2(3x + 5) > 4x - 5 < 3x + 2; then x can take which of the following values?
• If (4x - 5) = (3x - 1), then the numerical value of (x + 4)2
• If (1 + secA)/tanA = x, then x is
• The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is
• If (1 - sinA)/(1 + sinA) = x, then x is
• An angle is thrice its complementary angle. What is the measure of the angle?
• If cosπ/4c - tanπ/4c = x, then x is
• Simplify (b5x2a3z4)*(b3x2a4z5) / (a2b3z2)
• If tanA = x, then x is
• The slopes of two lines are 1 and √3. What is the angle between these two lines?
• If 4x -7 < x - 2 and 5x +2/3 ≥ 3x + 1; then x can take which of the following values?
• The solution set of 4x - 3y = 47 and 3x + y = 32 is
• If 5x - 3(4 x) < 4x - 4 < 4x + 2x/3; then the value of x is
• Reflection of the point (1,4) in the xaxis is
• For triangle ABC, find equation of median AD if co-ordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?