Question

find the
W. If cos A = and sin B =
.
tan A-tan B
value of :
Here angles A
1+tan A tan B
and B are from different right triangles.

Answer 1

Answer:

Answer : tan a = 1 = tan 45

A = 45

sin b= 1/root2 = sin 45

B = 45

Cos a+b = cos90 = 0

Hope it helps you.