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Unformatted text preview: sinx and cosx just derived. Find the derivative of y = secx Examples: 1. Differentiate: a. y = 1 + sin x 3 &quot; cos x b. y = e u (cos u + 5 u ) c. y = t 3 cos t Make sure you work through h/w #15 and #16 which prove the derivatives of cscx and cotx. Copy into your notes to memorize The red bordered box on page 194 of the text Example: #23 page 196 Find an equation of the tangent line to the curve y = 2 x sin x at the point ( &quot; 2 , )...
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