If tan 2A = cot(A + 20), find the value of A where 2A is an acute angle.
Answers
Answered by
4
Tan 2A = cot ( A + 20 )
Tan ( 90 - 2A ) = cot ( A + 20 )
Cot 2A = cot ( A + 20 )
2A = A + 20
2 A - A = 20
A = 20
Tan ( 90 - 2A ) = cot ( A + 20 )
Cot 2A = cot ( A + 20 )
2A = A + 20
2 A - A = 20
A = 20
pala24:
hi
Answered by
2
Answer:
Step-by-step explanation:
Cot(90-2A)=cot(a
Attachments:
![](https://hi-static.z-dn.net/files/de3/9b6e8f4eb5db93f6d6a67aa28198c1a9.jpg)
Similar questions