Asked by Abdullah

Cos theta=9/41 and the terminal arm of the angle is in quad.4. Find remaining trigonometri functions?
Answered by Scott
cos(Θ) = 9/41 = x/r

use Pythagoras to find y
... x^2 + y^2 = r^2

sin(Θ) = y/r ... remember Q IV

tan(Θ) = y/r
Answered by Steve
oops

tan(Θ) = y/x
Answered by Sumayya
Use trigonometric identities and reciprocals of sin cos and tan to find other trigonometric functions 😁
Answered by abdullah
Good
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