Question

arccos(1/2) + 2arcsin(1/2) =​

Answer 1

Step-by-step explanation:

step1:- finding value of cos inverse 1/2

let cos inverse 1/2= x(equation 1)

cos x= 1/2

we know that when x is π/3 the value of cos x will be 1/2

hence x= π/3

step2:- finding value of 2sin inverse 1/2

let 2sin inverse 1/2= y. (equation 2)

sin inverse 1/2 = y/2

1/2= sin y/2

we know that at π/3 the value of cos will be 1/2

hence y/2= π/3

y= π/3

by equation 1 and 2

π/3+π/3

2π/3

answer:-2π/3