The resultant of 𝐀 and 𝐁 makes an angle α with 𝐀 and β with 𝐁, then (a) α is always less than...

The resultant of 𝐀 and 𝐁 makes an angle α with 𝐀 and β with 𝐁, then
(a) α is always less than β
(b) αβ, if AB
(c) αβ, if AB
(d) αβ, if A=B
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[@henom3464]

thank you sir!

[@sunilkumarpanada9247]

Mast explanation