Question

tan A- 2 COSA tan A+ 2 COSA-1 = 0​

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 pawansaklani4747

Answer 2

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∘