# Trigonometry

Trigonometry related questions

### Why does sin12 pie not equal zero?

answered 3 years ago

### What is the derivative of sin 3x squared?

answered 3 years ago

### How was trigonometry used in the building of eiffel tower?

answered 3 years ago

### In what area of life would I actually need trigonometry?

answered 3 years ago

### How do you prove Cotangent: cot(theta)= cos(theta) over sin(theta)=x/y in a two column proof?

answered 4 years ago

### In trigonometry what term describes an angle between 0 and 90 degrees?

answered 5 years ago

### What is trigonometry ratios?

answered 5 years ago

### Can you evaluate sec120 by 30?

answered 5 years ago

### Why is trigonometry having only six ratios?

answered 5 years ago

### How is trigonometry used in building roofs?

answered 5 years ago

### What is the value of cos 15?

answered 5 years ago

### Does 2 cos(x) = cos(2x)?

answered 5 years ago

### What is the cosine of zero?

answered 6 years ago

### Who invented trigonometry?

answered 6 years ago

### What is the value of sin4567?

answered 6 years ago

### What is sin36?

answered 6 years ago

### What is a 4-letter word for a trigonometry function?

answered 6 years ago

### How do you find the degree measure in trigonometry?

answered 6 years ago

### What is tan 45°?

answered 6 years ago

### What is sine or cosine?

answered 6 years ago