Determine the continuity of cosine x?

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It is evident that as h approaches 0, the coordinate of P approach the corresponding coordinate of B. But by definition we know, sin(0) = 0 and cos(0) = 1 The values of the functions match with those of the limits as x goes to 0 (Remind the definition of continuity we have). limx tends to 0 sin(x) =...
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It is evident that as h approaches 0, the coordinate of P approach the corresponding coordinate of B. But by definition we know, sin(0) = 0 and cos(0) = 1 The values of the functions match with those of the limits as x goes to 0 (Remind the definition of continuity we have). limx tends to 0 sin(x) = sin(0) = 0 limx tends to 0 cos(x) = cos(0) = 1 read less
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