- #1
ritwik06
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Homework Statement
I was solving a problem involving sine and cosine ratios.
If I come to know the maximum possible value of (sin x+cos x), x belongs to [0,2*pi]. my problm would be solved.
Homework Equations
The Attempt at a Solution
I think x ill be in 1st quadrant as both sin and cos are +ve. If I am not wrong x=45?
but how do i mathematically prove
this?