solve question no.19
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hope samaj m aaega kaise hua
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Hii
If 16cotA=12
Then
CotA=12/16
Cot A=3/4 =base/hieght
By Pythagoras theorem
Hypotenuse =5
SinA=hieght/hypotenuse =4/5
CosA=base/hypotenuse =3/5
(SinA+CosA)=(3+4)/5=7/5
SinA-cosA=(4-3)/5=1/5
{7*(5)}/5
=7
If 16cotA=12
Then
CotA=12/16
Cot A=3/4 =base/hieght
By Pythagoras theorem
Hypotenuse =5
SinA=hieght/hypotenuse =4/5
CosA=base/hypotenuse =3/5
(SinA+CosA)=(3+4)/5=7/5
SinA-cosA=(4-3)/5=1/5
{7*(5)}/5
=7
abhi569:
Why you think so
there are some mistakes in starting
it is 16 not 6
It has been edited
and it is not hieght it is height
Ok
your answer is also good Ritikraj
thanks i did it in short
thanks you so much guys
Your welcome
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