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ashu232
@ashu232
July 2022
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if sec4 A =cosec(A-20°) then find the value of A
Answers & Comments
sushant2505
Sec4A = cosec(A-20°)
cosec(90°-4A) = cosec(A-20°)
=> 90°-4A = A-20°
-4A-A = -20°-90°
-5A = -110°
A = 110°/5 = 22°
1 votes
Thanks 6
Khushi0511
Since,sec A=cosec(90°-A)
Therefore,
sec4A=cosec(A-20°)
=cosec(90°-4A)= cosec(A-20°)
=-4A-A= -20°-90°
-5A=-110°
=A=22°
HOPE IT HELPS☺️
MARK AS BRAINLIEST!!!
1 votes
Thanks 1
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Answers & Comments
cosec(90°-4A) = cosec(A-20°)
=> 90°-4A = A-20°
-4A-A = -20°-90°
-5A = -110°
A = 110°/5 = 22°
Therefore,
sec4A=cosec(A-20°)
=cosec(90°-4A)= cosec(A-20°)
=-4A-A= -20°-90°
-5A=-110°
=A=22°
HOPE IT HELPS☺️
MARK AS BRAINLIEST!!!