How do you find sin(-pi/2)?
1 Answer
May 4, 2018
Explanation:
#"using the "color(blue)"trigonometric identity"#
#•color(white)(x)sin(-x)=-sin(x)#
#rArrsin(-pi/2)=-sin(pi/2)=-1#
#"using the "color(blue)"trigonometric identity"#
#•color(white)(x)sin(-x)=-sin(x)#
#rArrsin(-pi/2)=-sin(pi/2)=-1#