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Part B. Apply the Concepts Verify the following trigonometric identities. a) cos' B tan? B = 1 - cos B b) sin? B cot2 B

Part B. Apply the Concepts Verify the following trigonometric identities. a) cos' B tan? B = 1 - cos B b) sin? B cot2 B = 1 - sin? B c) tana + cota = seca csca d) cotbcosb = cscb - sinb

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