함수 cos()

1 Excel

=COS(1)
// 0.540302306
=COS(PI())
// -1

2 PHP

echo cos(1);
// 0.54030230586814
echo cos(M_PI);
// -1

3 PowerShell

[math]::cos(1)
# 0.54030230586814
[math]::cos([math]::pi)
# -1

4 Python

import math
print math.cos(1)
# 0.540302305868
print math.cos(math.pi)
# -1.0

5 Ruby

puts Math::cos(1)
# 0.5403023058681398
puts Math::cos(Math::PI)
# -1.0

6 SQL

6.1 MySQL

SELECT COS(1);
# 0.5403023058681398

7 같이 보기

• acos
• sin
• tan
• PI
• 코사인