SP10712 TRIGALGE - Easy Calculation

Description

Find x such that Ax+Bsin(x)=C.

Input Format

The first line denotes T(number of test cases). 3T integers follow denoting A,B and C for every test case. (A>=B>0). All Integers are less than 100000.

Output Format

T real numbers rounded to 6 digits one in each line.