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Mathematics 13 Online
OpenStudy (anonymous):

how can we compute tangent inverse manually without using calculator?

OpenStudy (amistre64):

i would assume that since these things were hashed out long before calculators were invented; then yes

OpenStudy (amistre64):

if anything, trig function take angles and turn them into ratios: trig(angle) = ratio trig inverses take ratios and equate them to angles: Arctrig(ratio) = angle

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