Book
Maths Puzzle
Evaluate tan1/2(cos^-1 root 5/3)
Read Solution (Total 1)
cos^-1 root 5/3 is not valid
11 years ago
Helpfull: Yes(2) No(1)
Book Other Question
find sin^-1(sin 2)
Evaluate sin(1/2 cos^-1 4/5)