Question

find A
Tan A-2 cosA tanA +2cosA-1=0​

Answer 1

Answer:

tan A – 2 cos A tan A + 2 cos A – 1 = 0

tan A – 2 cos A tan A = 1 – 2 cos A

tan A ( 1 – 2 cos A ) – (1 – 2 cos A )= 0

(1 – 2 cos A) (tan A – 1) = 0

1 – 2 cos A = 0 and tan A – 1 = 0

cos A =

12 and tan A = 1

A = 60° and A = 45°

Answer 2

Answer:

1

dilipkumarucet

10.05.2020

Math

Secondary School

+5 pts

Answered

Tan A-2 cos A tan A + 2 cos A-1 = 0

find the magnitude of angle A

1

SEE ANSWER

ADD ANSWER

Log in to add comment

dilipkumarucet is waiting for your help.

Add your answer and earn points.

Answer

5.0/5

0

SAURABHYADAV6391

Ace

633 answers

9.9K people helped

Answer:

-2 cos A tan A + 2 cos A-1 = 0

Step-by-step explanation:

) cos 2 0 = 2

1 + tan’ e

2 tane

(ii) sin 20 = 2

1 + tan?

(iii) cos 30 = 4 cos

- 3 cos e

plz help me it's urgent!!

Okayyy

Step-by-step explanation:

please mark as brainlist