Question

give me the answer fast ​

Answer 1

Answer:

(psin@ - qcos@)/(psin@+qcos@)

divide by sin@

=> (p-qcot@)/(p+qcot@)

=> (p-q*q/p)/(p+q*q/p)

=>( (p²-q²)/p) /(p²+q²)/p

=> (p²-q²)/(p²+q²)