What is arcsin(sin(pi/2+k)) ?

The solution to arcsin(sin(pi/2+k)) is arcsin(cos(k))

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simplify arcsin(sin(pi/2+k))

simplify

arcsin (sin (\frac{π}{2} + k))

arcsin (cos (k))

Solution steps

arcsin (sin (\frac{π}{2} + k))

Rewrite using trig identities

= arcsin (cos (k))

sin^{3} (π + X) tan (2 π - X)

a r tan (\frac{1.81}{- 0.83})

tan (θ + \frac{π}{2})

r^{2} - 6 r cos (θ - \frac{2 π}{5})

tan (27 0^{\circ} - a)

What is arcsin(sin(pi/2+k)) ?
The solution to arcsin(sin(pi/2+k)) is arcsin(cos(k))