How many solutions does have on , and what are they?

Answer and explanation

Correct answer: A. Two: and

  1. Step 1: The equation gives . Step 2. In the first quadrant , and sine is also positive in the second: . **Answer: Two: and . Why not the others:** The other solutions have sine or .

Practise more Algebra, Functions, Geometry and Probability.

Free questions with an explanation for every one, and full timed DZI Matura (Bulgaria) mock tests.

All Algebra, Functions, Geometry and Probability questionsTake a mock test

More Algebra, Functions, Geometry and Probability questions