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June 12th, 2018, 11:07 PM  #1 
Newbie Joined: Jun 2018 From: State of Minas Gerais  Brasil Posts: 1 Thanks: 0  How to find the value at a certain angle of the sinusoid?
Good night sir, I have two sinusoidal functions whose sinusoidal maximum value is = 20 and the sinusoidal minimum = 20, we know that the maximum point the angle of the sinusoid = 90 ° or π / 2 in radians and corresponds to the value 20 I need to know an equation in which the second (red) signal switches will be valid, I know the angle is 150 ° and the corresponding value will be 10.30 (given by the software) but I want to know an equation for me to reach that value All I need to know, to be clearer is an equation where I will find the value in the blue sine when the red signal switches, I know that the angle at which it switches is 150 ° or 5π / 6 in radians. What is the equation for me to reach the value 10.30 that the red signal switches. Thanks to anyone who can help. 

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angle, find, sinusoid 
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