Given tan a is 3/4 find the value of sin a and cos a
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if tan a= 3/4
then, perpendicular is 3 and base is 4
then by Pythagoras theorem,
(hypotenuse)^2 = ( perpendicular)^2+( base)^2
so hyp ^ 2 = 9+ 16
hyp^2= 25
or,hyp=✓25
hyp = 5..
therefore, sin A= perpendicular/ hypotenuse
sinA= 3/5 ans....
and, cosA= base/ hypotenuse
cosA= 4/5 answer ..
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