Solve for .
Answer and explanation
Correct answer: D. and
- Step 1: . Step 2. Sine is also positive in quadrant II, giving . **Answer: and . Why not the others:** and have negative sine, and the pair and solves a different equation.
Practise more Algebra, Calculus, Geometry and Probability.
Free questions with an explanation for every one, and full timed Bacalaureat Moldova mock tests.