ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

If 2+x+2-x2+x-2-x=2,then the value of X is

If (a+1a)2=3,then the value of a6-1a6 will be

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

(251+252+253+254+255) is divided by

Iftan 450=cot∅, then the value of ∅, in radians is