Find - `1.45 + 1.90`

Evaluate the following: sqrt 2. Sin 45^@ + Cos 90^@ + Sin 90^@

If A = [(0,1,2),(2,3,4),(4,5,-6)], B=[(-1,2,3),(0,1,0),(0,0,-1)] then find B-A and 4A - 5B .

Find 'x' if the angle between he lines with direction ratios (x,4,5) and (2,-1,2) is 90^(@)

Practice Questions : 0,15,45,90,150,225,..

If A=[{:(0,1,2),(2,-1,5),(4,5,-6):}] and B=[{:(-1,2,3),(0,1,0),(0,0,-1):}] . Find B-A and 4A-5B

If 4 sin^2 theta - 1 = 0 then find theta (theta < 90) also,Find the value of cos^2 theta + tan^2 theta

Find the value of 2 tan 30^@ + (cos 45^@)/ (2 cot 45^@)

Dipole moment of H_2 X is 1.0 D. If the bond angle is 90^@ , the approximate bond moment of H-X bond is (Cos 45^@ = 0.7)

Angles like 0^@ , 30^@ , 45^@ , 60^@ , 90^@ , 120^@ and 180^@ are called ____ angles.