6. (a)If tan = , tan - = . prove that + - = 45 (5) (b)Show that tan 75 + cot 75 = 4 (5) (c)Prove that &'"# & &!"# & = tan45 − 1

6. (a)If tan = , tan - = . prove that + - = 45 (5) (b)Show that tan

1.	6. (a)If tan = , tan - = . prove that + - = 45 (5) (b)Show that tan 75 + cot 75 = 4 (5) (c)Prove that &'"# & &!"# & = tan45 − 1
Answer» F TAN =, tan - = .prove that + - = 45(5) (b)Show that tan 75 + COT 75 = 4 (5)(c)Prove that &'"# &&!"# & = tan45 − 1

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6. (a)If tan = , tan - = . prove that + - = 45 (5) (b)Show that tan 75 + cot 75 = 4 (5) (c)Prove that &'"# & &!"# & = tan45 − 1​

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6. (a)If tan = , tan - = . prove that + - = 45 (5) (b)Show that tan 75 + cot 75 = 4 (5) (c)Prove that &'"# & &!"# & = tan45 − 1