sin(t)=cos(pi/2-t)
sin(t)=cos(pi/2-t)
The identity is easily proved by forming a rectangle using two identical right triangles. This Demonstration compares the curves and . The curves align when .
sin(t)=cos(π/2-t)
y=sin(t)
y=cos(α-t)
α=π/2
External Links
External Links
Permanent Citation
Permanent Citation
Jon Perry
"sin(t)=cos(pi/2-t)"
http://demonstrations.wolfram.com/SinTCosPi2T/
Wolfram Demonstrations Project
Published: March 7, 2011