if sec 2A= cosec(A-42)where 2A is an acute angle find the value of A.
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deepi4:
thanks
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but 2a is an acute angle
ya so acute angle is 90
ooh ya
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hope u understand. :-)
ya, it helps me
Answered by
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Sec2A=cosec(A-42)
Cosec(90-2A)=cosec(A-42)
90-2A=A-42
90+42=A+2A
132=3A
A=132/3
A=44
2A=88
Which is an acute angle
Cosec(90-2A)=cosec(A-42)
90-2A=A-42
90+42=A+2A
132=3A
A=132/3
A=44
2A=88
Which is an acute angle
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