Write the given expression as the tangent of an angle. tan 7x -tan x 1 + tan 7x tan x 12pt v Paragraph v В I v T? v O words </> / 7 and cos v = 25 12 (Both u and v are in Quadrant II.) Find the exact value of cos (u + v) given that sinu = 13 Upload Choose a File !!

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A: I am attaching image so that you understand each and every step.

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