Question

if sec4 A =cosec(A-20°) then find the value of A

Answer 1

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Answer 2

Heya ♡♡♡

This is your answer.....

Given: -
Sec 4A = Cosec (A - 20)

We know that Sec A = Cosec (90 - A).

So… Sec 4A = Cosec (90-4A)

Now, Cosec (A-20) = Cosec (90-4A).
A-20 = 90-4A
A + 4A = 90+20
5A = 110
A = 22.

Hence, A=22.

Hope it helps