Come on.
the denominator is 1 (sin^2 ? + cos^2 ?)=1
the numberator is zero... sin PI/2=1
your teacher is pulling your leg.
Find the exact value of:
(1-sin^2 pi/2)/(cos^2 28 degrees + sin^2 28 degrees)
2 answers
not a joke. Just checking your knowledge of common identities and angles.
So, the exact value is 0/1 = 0.
So, the exact value is 0/1 = 0.