Question

√((1-cos)/(1+cos))=(1-cos)/sin=sin/(1+cos)



Need help ASAP!!!

Answer 1

Answer:

Step-by-step explanation:

multiply numerator and denominator by √1+cosa

(√1-cosa)(√1+cosa) / (√1+cosa)²

= √1-cos²a / 1+cosa

= √sin²a/1+cosa = sina/1+cosa

= R.H.S