PelajarBaik
New member
- Joined
- Jan 27, 2022
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- 4
Start with double angle formulas.View attachment 30906
I am confused on how to do this without finding the angle first, please help.
If I were to do this problem, I would first calculate sinA usingView attachment 30906
I am confused on how to do this without finding the angle first, please help.
Im stuck at the without finding the angle partIf I were to do this problem, I would first calculate sinA using
sin2(A) + cos2(A) =1 and continue....
Please show us what you have tried and exactly where you are stuck.
Please follow the rules of posting in this forum, as enunciated at:
Please share your work/thoughts about this problem.
Im stuck at the without finding the angle part
quadrant TA and B are in the same quadrant. cos A is negative AND tan B is positive. What quadrant must A and B be in?
Have you seen this before?
View attachment 30909