Trigonometric 50551

Solve the trigonometric equation:

cos (x-52°) = 1

Correct answer:

x1 =  52 °
x2 =  412 °

Step-by-step explanation:

cos(x52°)=1 cosy=1 y=0°+360k;kN y1=0  y2=y1+360=0+360=360   x152=y1 x152=0  x1=52=52
x252=y2 x252=360  x2=412=412

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