Asked by Matthew

Use identities to find the exact values at A for the remaining five trigonometric functions
Cos(A)= -(sqr of 3, then divided by 6) and A is in the third quadrant
Answered by oobleck
in QIII, x<0 and y<0
so, we have
x = -√3
r = 6
so y = √33
Now you just remember that
cosA = x/r
sinA = y/r
tanA = y/x
etc.
Answered by oobleck
rats -
y = -√33
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