Question

(a) o
(b) 1
(c) 2
(d) None of these
7. If tan(A + B) = 13 and cos A = 1, then B is
(a) 0°
(b) 30°
(C) 45°
(d) 60°​

Answer 1

Step-by-step explanation:

cos A=1 then A=0

tanA+B=13

tan B=13

B=

data inadequate