trig. identity: if a sin theta = p - b cos theta...

[Guest]

if asintheta = p - bcostheta
and bsin theta= q +acos theta
show that a^2 + b^2 = p^2 + q^2

thank you

 

[stapel]

Please review the hint provided in your other posting of this exercise last week.

Thank you.

Eliz.