Question

If sin (90 –q ) cosq = 1 and is an acute angle then q

Answer 1

This is your answer which you want

Answer 2

$hi \: mate \\ \\ we \: know \: that \: \sin(90 - x) = \cos(x) \\ \\ ex p \\ \\ \cos {}^{2} (q) = 1 \\ \\ \cos {}^{2} (q) = \cos {}^{2} (0) \\ \\ q =0 \\ \\ have \: a \: nyc \: tym$