BE 1624151452-MCV 4U Unit 4 Test B Trig and Exp Functions.pdf X G File | C:/Users/Lucas/Documents/CSM/Credits/MCV4U/Tests/Test%204/1624151452-MCV%2040%20Unit%204%20Test%208%20Trig%20and%20Exp%20Functions.pdf . . . PDF Thinking (11 marks) PDF 4. Show, using the derivatives of primary trig functions, that a csc(x) = - csc(x) cot(x) X 5. Find the equation of the tangent to y = - at X = It. cos(x) O W ENG 1:35 AM 12/30/2021 D