Question

C+S (A+45°) - 1/2 ( Cos A - Sin A)​

Answer 1

Answer:

ANSWER

tanA−2cosAtanA+2cosA−1=0

tanA(1−2cosA)−1(1−2cosA)=0

(tanA+1)(1−2cosA)=0

tanA=1orcosA=

2

1

tanA=tan45 or cosA=cos60

A=45

∘

,60

∘

Answered By

toppr

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