2024 SJI P1 Q4

2024 SJI P1 Q4

IB Year 5 | Grade 11
9 marks

A is an obtuse angle such that \(\tan A=-\dfrac43\).

  1. Find the value of \(\sin A\).[2]
  2. Find the value of \(\sin(\pi+A)\).[2]
  3. Find the value of \(\tan\left(\dfrac A2\right)\).[5]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) \(\dfrac45\) (b) \(-\dfrac45\) (c) \(2\)

Need help? Join our JC Math tuition classes.

Learn more