Justabeginner
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cos(pi/2)= 0
cos(-pi/2)= 0
tan(pi/4)=1
tan(-pi/4)= -1 ?
cos(-pi/2)= 0
tan(pi/4)=1
tan(-pi/4)= -1 ?
Arc length of y = ∫√(cos t) dt from −π/2 to π/2
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Justabeginner
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So (2) - (-2) = 4?
voko
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Justabeginner said:So (2) - (-2) = 4?
Yep.
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