find a value of A when cos2A equal to sin3A
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3
A=18 is the answer to your question
Racky123:
process
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cos2A=sin3A
cos 2 A =cos (90-3A)
2A=90-3A
2A+3A=90
5A=90
A =90/5
A=18
if satisfy then mark as branlist
cos 2 A =cos (90-3A)
2A=90-3A
2A+3A=90
5A=90
A =90/5
A=18
if satisfy then mark as branlist
how... means process
wait
okay
tq so much
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