Question

a_b=a+b angle between a b is​

Answer 1

Answer:

+

Step-by-step explanation:

let us consider

a=2

b=3

so,

2+3=2+3

it cannot be 2-3=2+3

Answer 2

Answer:

if we take inrespect of tan theta b= 0

so tan 0 degree = 0 b is 0 degree

and a is undefined so a = 90 degree

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