I am less than a right angle, but more than zero. My sine is equal to the cosine of my complement. What am I?
Category: Math · Difficulty: hard
Hint: Think about angles that complement each other.
Answer
45 degrees
Explanation
At 45 degrees, sin(θ) = cos(90° - θ), satisfying the condition.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 45 degrees.
More Math riddles
- I am an operation in math, divide me by two, then add six, what number do I begin with?
- I am the foundation of math, add two, then square the total, what do I represent?
- I can connect different thoughts, help in calculations, and form patterns. What am I?
- I can define rules and relationships, often organizing what you see. What am I?
- I am an array of numbers, my sum is greater than any single part. What am I?
- I can be greater or less, but my value is always absolute. Who am I?
- I can represent years or quantities, but my form is more than just a face. What am I?
- I combine values to create new ones, often changing the game. What am I?