Trigonometry unit circle?
Hello, Why is sin(a)=sin(a+360 degrees) positive?? Because in my sketch, sin(a) is negative????? I don't understand that…
Trigonometry, just length and angle?
How do I find out the value of these two lengths?
Trigonometry on the unit circle?
Hello, Can someone explain to me again in their own words what is described in this section? I don't understand why there is a negative angle ß for every point on the unit circle???? And why is ß=a-360 degrees???? And what I don't understand at all is why sin (360 degrees + a) is positive…
Math exercises sine cosine tangent?
Hi can someone help with task 1 and 2
ANY HELP SINUS CURVE?
I have to calculate the parameter c here. So far it looks like this: f(x)=3.1•sin(1/6pi(x+/-c))+8.5 How do I do this? How do I find out c
Do you know how to do that?
Hello I wanted to ask if you could help me as I am stuck Task order: In the range from -10 to 10, state all intervals in which the graph of the sine function decreases or increases. How do I know about the -10 and 10? So, what range exactly do they limit? I appreciate…
What is the solution?
Hello I wanted to ask if you could help me as I am stuck Task order: In the range from -10 to 10, state all intervals in which the graph of the sine function decreases or increases. How do I know about the -10 and 10? So, what range exactly do they limit? I appreciate…
Can anyone solve this task?
Task 4a Pythagorean theorem
Could someone calculate this?
Hello, I don't understand this math topic. A picture is attached.
How do you convert radians to degrees using a calculator?
And vice versa, of course. But my calculator never gives me the correct value. That should work with the convert button, right?
Trigonometric function?
I don't understand how to figure out the equation now. Could you explain this with an example?
How to enter percentage in calculator?
I want to calculate 40% of 254, I have a percent symbol in my calculator, but when I hold down the Shift key on the percent symbol, the calculator still displays a percent, but instead of subtracting 40%, only 0.4. If I enter 254 – 0.4, the correct result isn't displayed. What should I enter?