Question

if 1/(1+sinx)(2+sinx) =a/(1+sinx) +b/(2+sinx) then
a+b=?​

Answer 1

Answer:

Step-by-step explanation:

1/(1+sinx)(2+sinx)=a/(1+sinx)+b/(2+sinx)

1/(1+sinx)(2+sinx)=2a+asinx+b+bsinx)/{1+sinx)(2+sinx)

1=2a+b+sinx(a+b)

1=a+a+b+sinx(a+b)

1-a=a+b)(1+sinx

a+b=(1-a)/{1+sinx}