Asked by popy
4 costheta +3sintheta=5,4sintheta-3costheta=WHAT
Answers
Answered by
drwls
4 sin(90-theta) + 3 sintheta
= 5.4 sintheta -3 sin(90-theta)
7 sin(90-theta) = 2.4 sintheta
7costheta = 2.4sintheta
tantheta = 2.917
theta = 71.08 degrees
Proceed to calculate either side of the original equation.
= 5.4 sintheta -3 sin(90-theta)
7 sin(90-theta) = 2.4 sintheta
7costheta = 2.4sintheta
tantheta = 2.917
theta = 71.08 degrees
Proceed to calculate either side of the original equation.
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