Question

Write the value of sin(45 0 + 0) — cos(45 0 — O)

Answer 1

Answer is 0.


cos0=sin 90-0
cos(45 0 -0)
=sin(90-(45 0-0))
sin(90-45 0+0)
=sin(45 0 +0)

sin(45 0 +0)-sin(45 0+0)
=0