if tan 2A equal to COT A + 60 degree find the value of a where to a is an acute angle
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Answered by
0
A will be 30 degree as 2A will be 60 degree and both are acute angles
praveen155:
the answer is 20
Answered by
3
tan2A=cot (A+60)
Cot(90-2A)=cot (A+60)
90-2A=A+60
90-30=A+2A
3A=60
A=60/3
A=20
Cot(90-2A)=cot (A+60)
90-2A=A+60
90-30=A+2A
3A=60
A=60/3
A=20
Cot2A=cotA(A+30) in this step wherw is 90 gone???
sorry bro
check the answer now
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