Question

Let's find a linear approximate \(\sin (\pi / 2 + h)\) for \(h\) very small.

\(\sin (\pi / 2 + h) \simeq \sin (\pi / 2) + \cos (\pi / 2) \cdot h\)

\(\sin (\pi / 2 + h) \simeq\) ?

Answer 1

=1

Answer 2

\[sin(π/2) = 1\]\[cos(π/2) = 0\]