pls solve this question! No spammers please . Please DON'T be GREEDY for 50 points . earn it with a correct explanation . Best explanation will be marked brainliest . I NEED A STEP BY STEP EXPLANATION PLEASE.
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ANSWER ::
Cos (A+B) = 0
A+ B = 90° - - - - - - - - - - - (1)
AGAIN
Cos (A-B) = √3 /2
A - B = 30° - - - - - - - - - - - - (2)
FROM (1) & (2)
ON ADDITION
2A = 120°
A = 60°
FROM (1)
B = 90°-60° =30°
SO
tan(A+2B) tan(2A+B)
= tan (60°+ 60°) tan (120°+ 30°)
= tan 120° × tan 150°
= - cot 30° × tan 30°
= - 1
SO THE REQUIRED ANSWER IS (b) - 1
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