Question: MHF4U: Grade 12 Advanced Functions (Public) Unit 4: Trigonometric Functions Activity 8: Trigonometric Identities Formative Assignment Prove each of the following trigonometric identities. 1. sec'

MHF4U: Grade 12 Advanced Functions (Public) Unit 4: Trigonometric Functions Activity

MHF4U: Grade 12 Advanced Functions (Public) Unit 4: Trigonometric Functions Activity 8: Trigonometric Identities Formative Assignment Prove each of the following trigonometric identities. 1. sec' x-2sec xcos x+ cos' x= sin' xtan' x sin (x+ y) 2. 1+ cot xtany = sin X cos y 3. tan 1-+x +tan --x =2sec2x 4 4

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