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3 Trigonometric Identities You Must Be Able To Derive From Scratch
3 Views • Sep 18, 2016
Description
Derive the trigonometric identities below from absolute scratch...
{cos(θ)}^2 + {sin(θ)}^2 = 1
1 + {tan(θ)}^2 = {sec(θ)}^2
{cot(θ)}^2 + 1 = {cosec(θ)}^2
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