Question

If sin(a+b)=1 and cos(a+b)=1, then the value of a and b

Answer 1

Answer:

a=45,b=45

Step-by-step explanation:

sin(a+b)=1=sin(90)

cos(a-b)=1=cos (0)

so a+b=90

a-b=0

so a=b

so 2a=90

therefore a=b=45 degree

And i think you have mistyped the question as cos(a+b)