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akhil...@gmail.com
Oct 21, 2020, 3:08:06 AM10/21/20
to Discussion forum for Mathematics for Data Science I
In the proof for showing two lines with slope m1 m2 = -1 intersect at 90°,
tan α = - cot β
then – cot β was said to be equal to tan (90 + β) and tan (90 - β)
But isn’t tan (90 - β) = cot β ?
subhajit POD
Oct 21, 2020, 5:12:22 AM10/21/20
to Discussion forum for Mathematics for Data Science I, akhil...@gmail.com
Yes there is a little typo in the slides prof has presented. The idea of the proof is okay.
Best
Subhajit
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