Which identity describes the relationship between sine and cosine for complementary angles?

sin(x) = sin(90° - x)

sin(x) = cos(90° + x)

cos(x) = sin(90° - x)

cot(x) = tan(90° - x)

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What does the word "trigonometry" literally mean?

Q2.

Which of the following applications is NOT typically associated with trigonometry?

Q3.

When an angle is measured in radians, how many radians correspond to a complete revolution?

Q4.

Which direction indicates a positive angle measurement?