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aussy123Best ResponseYou've already chosen the best response.0
I have a problem and it ask for tan2theta, and theta is in the 1st quad, but when I work out the problem I get a negative result. Do that number automatically turns positive?
 one year ago

aussy123Best ResponseYou've already chosen the best response.0
do you know anything about tan, sin and cos?
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
\[\tan^2 \theta\] \[0^\circ<\theta<90^\circ\] whats the question?
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
or is it \[\tan (2\theta)\]?
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
what is the original question?
 one year ago

aussy123Best ResponseYou've already chosen the best response.0
Given: sin =4/5 and cos x =5/13 ; evaluate the following expression. (Theta: Quadrant I, x : Quadrant II.) tan 2 Theta a.) 8/3 b.) 24/7 c.) 24/7
 one year ago

aussy123Best ResponseYou've already chosen the best response.0
my outcome is 24/7 but theta is in the first quad and tan is positive in the first quad
 one year ago

MertsjBest ResponseYou've already chosen the best response.0
If theta is greater than 45 and in the first quadrant, then 2 theta is in the second quadrant where the tangent is negative.
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
yes theta is in the first quadrant, but you're not finding tan(theta) you're finding tan(2*theta) and its possible for 2*theta to be in the second quadrant as mertsj just stated
 one year ago

aussy123Best ResponseYou've already chosen the best response.0
So my result stays at 24/5
 one year ago

completeidiotBest ResponseYou've already chosen the best response.1
assuming you didnt make any mistakes in your calculation, then that would be the answer note i didnt actually do the problem
 one year ago

aussy123Best ResponseYou've already chosen the best response.0
okay Thank You both, now I can start my quiz with no problem. fingers crossed!
 one year ago
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