Help me out guys!!!!!
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Step-by-step explanation:
cos a+sina = root 2 cos a
cos^2a+sin^2a+ 2cosa sina = 2cos^2 a
cos^2a-sin^2a = 2cosa sina
k = 2cos a
sec a = 2 rootxy / x+y
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Heya, I'm good. Hope you are too. Is it Iron man? You are good at sketching.
It cool!!
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