Satish S.

asked • 03/20/20

tan/(sec-1)=(tan+sec+1)/(tan+sec-1)

1 Expert Answer

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William W. answered • 03/20/20

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William W.

At one point in the video, I accidentally called "sec(x) - 1" as "sec(x) - x". Sorry about that.
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03/20/20

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