Question

50 points question.....how did they add??? solve....

Answer 1

Answer:

Step-by-step explanation:

Because base is same and to solve and make one eq and mainly to get the ans which were we have to find

Answer 2

its easy because cos x dx is dividing √sinx +√cos x so this is the 1st equation and 2nd equation is √sin
x divided by √cos x +√sinx. simply