tan A- 2 COSA tan A+ 2 COSA-1 = 0
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Answered by
8
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 pawansaklani4747
Answered by
1
Answer:
Step-by-step explanation:
tanA−2cosAtanA+2cosA−1=0
tanA(1−2cosA)−1(1−2cosA)=0
(tanA+1)(1−2cosA)=0
tanA=1orcosA=1/2
tanA=tan45 or cosA=cos60
A=45∘,60∘
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