find the value of A if sec 3A = cosec 2A -5
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Answered by
1
Answer:
secA=cosec[90-A]
cosec(90-3A) =cosec 2A-5
90-3A=2A-5
90+5=2A+3A
5A=95
A=19
Answered by
1
Answer:
the value of A is 19° .
refer to the attachment for the solution.
* formula used :
codec(90 - ∅) = sec∅.
Attachments:
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