Question

(cos a + sin a) /(cos a - sin a) = 8 find the value of cot a​

Answer 1

Answer:

Step-by-step explanation:

cosa+sina=8(cosa-sina)

cosa+sina=8cosa-8sina

9sina=7cosa

cos/sina=9/7

Answer 2

Step-by-step explanation:

cosa+sina=8cosa- sina

cosa- sina= 8cosa -sina

9cosa=7sina