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