Question

If tan A = 1 and cos B = 1/√2, then cos (A+B) is equal to what???​

Answer 1

Answer:

2+√2

 2

Step-by-step explanation:

as we know if the equation has root in denominator it should be multiplied both the numerator and denominator

hope it will help you

Answer 2

Answer:

give answer bhdbdbbbdbbbbbdbb