Question

If sec A =cosec (A-20°) where 4Ais an acute angle ,find the value of A

Answer 1

Heyy Buddy ❤

Here's your Answer..

We know that,

Sec A = Cosec (90 - A)

=> Cosec (90- A) = Cosec( A - 20A)

=> 90 - A = A - 20A

=> -A - A + 20A = -90

=> A + A - 20A = 90

=> - 18A = 90

=> A = -90/18

=> A = -5°
✔✔✔


The Question is Wrong....

Answer 2

here is your answer

hope this might help you