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Inquiry 1 1)(8 Marks) Prove the following trig identities: a. tan 2x 2 tan 2x sin2 x = sin 2x (3 marks) b. 5602x2secxcosx+cos2x=tan2xsin2x (5

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Inquiry 1 1)(8 Marks) Prove the following trig identities: a. tan 2x 2 tan 2x sin2 x = sin 2x (3 marks) b. 5602x2secxcosx+cos2x=tan2xsin2x (5 marks) 12) (2 marks) Determine the exact value of sin 26 given that cos 6 = 2 ar. 13 3 . . . 72' S 6 S ' Without determ1mng the value of 6 . 2

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