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Mathematics, 30.09.2019 09:20 cheycheybabygirl01

What basic trigonometric identity would you use to verify that sin x con x tan x= 1-cos^2x?


What basic trigonometric identity would you use to verify that sin x con x tan x= 1-cos^2x?

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What basic trigonometric identity would you use to verify that sin x con x tan x= 1-cos^2x?
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