Question

evaluate  sin(pi-sin^-1(-1/2))

show that 2tan^-1(1/2)+tan^-1(1/7)=tan^-1(31/17)

if f:R-R is given by f(x)=(3-x³)^1/3 . find fof(x)

prove that a-b-c   2a   2a 

                  2b   b-c-a   2b       =(a+b+c)³

                   2c   2c   c-a-b 

How we can prove 🔺 sides are equal 

+1english grammar shall and will use

find the probability of getting 5 exactly in 7 throws of a dieIf vector a = 2i +j - k, vector b = 4i - 7j + k, find a vector c suchthat axc =b and a.c = 6

find the probability of getting 5 exactly twice in 7 throws of a die