If x(5−a)=10−x2 and x = 2, find the value of 'a'.
a=1+x33!+x66!+...,
b=x+x44!+x77!+...,
c=x22!+x55!+x88!+....
If a3+b3+c3−zabc=1. Find the value of z
You are given cos x=1−x22!+x44!−x66!......;
sin x=x−x33!+x55!−x77!......
tan x=x+x33+2.x515......
Find the value of limx→0x cosx+sinxx2+tanx