If tan theeta = -3/4, then cos theeta equals how much ?
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tan theeta = perpendicular /base=>-3/4
by pythagorus theorem
hypotenuse²=
perpendicular²+base²
=>9x²+16x²=25x²=(5x)²
so hypotenuse is 5x therfore
cos theeta = base/hypotenuse
=>4/5
by pythagorus theorem
hypotenuse²=
perpendicular²+base²
=>9x²+16x²=25x²=(5x)²
so hypotenuse is 5x therfore
cos theeta = base/hypotenuse
=>4/5
makio:
if this ans will help u then plz mark it as brinliest
Answered by
0
take right angle triangle and first take tan theeta and find hyp and then cos
Attachments:
its not -4/5 its 4/5
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