Asked by Fortuna
Write sec in terms of sin. Theta is in the third Quadrant.
Answers
Answered by
Reiny
You mean secØ and sinØ, the words sec and sin by themselves are just mathematical operators like
+, - , √, etc, they can't just stand alone.
anyway.....
secØ = 1/cosØ
but cosØ = ±√(1-sin^2 Ø)
since you state the angle to be in III
secØ = -1/√(1 - sin^2 Ø)
+, - , √, etc, they can't just stand alone.
anyway.....
secØ = 1/cosØ
but cosØ = ±√(1-sin^2 Ø)
since you state the angle to be in III
secØ = -1/√(1 - sin^2 Ø)
Answered by
Fortuna
Thank you. I know that sec and sin cannot stand alone, I just don't know how to type the symbol for theta. Could you help me with a similar problem? It involves expressing tan(t) in terms of cos(t), where t is in the third quadrant.
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