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Ruby | Math asin() function

  • Last Updated : 04 Dec, 2020

The asin() is an inbuilt function in Ruby returns the arc sine of a number means give a sin value to this function it will return the angle in radian corresponding to that value. The value passed is in between -1 and +1. 

Syntax: Math.asin(value) 

Parameters: The function accepts one mandatory parameter value whose corresponding angle we have to find.

Return Value: It returns the angle in radians which in range -pi/2 to +pi/2. 

Example 1



Ruby




#Ruby program for asin() function
 
#Assigning values
val1 = 1 val2 = 0.5 val3 = -1 val4 = -0.9
 
#Prints the asin() value
                                      puts Math.asin(val1)
                                          puts Math.asin(val2)
                                              puts Math.asin(val3)
                                                  puts Math.asin(val4)

Output

1.5707963267948966
0.5235987755982989
-1.5707963267948966
-1.1197695149986342

Example 2

Ruby




#Ruby program for asin() function
 
#Assigning values
val1 = 0.87 val2 = 0.67 val3 = -0.679 val4 = -0.564
 
#Prints the asin() value
                                              puts Math.asin(val1)
                                                  puts Math.asin(val2)
                                                      puts Math.asin(val3)
                                                          puts Math.asin(val4)

Output

1.0552023205488061
0.7342087874533589
-0.746399633896421
-0.59922176813665

Reference: https://devdocs.io/ruby~2.5/math#method-c-asin
 




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