- #1
nesta
- 7
- 0
Hi friends,
Please make me understand this simplest function,
y = cos θ
2. in the next step it says: cos θ = sin (π/2 - θ)
3. and similarly -cos (π/2 - θ) = -sin θ.
Can anyone please explain how the steps 2 & 3 are deduced.
Thanks,
Nesta
Please make me understand this simplest function,
y = cos θ
2. in the next step it says: cos θ = sin (π/2 - θ)
3. and similarly -cos (π/2 - θ) = -sin θ.
Can anyone please explain how the steps 2 & 3 are deduced.
Thanks,
Nesta