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If tan (x2 - 8x + 60°) = cot (6x - 5°) then value of x -
- A7
- B8
- C9
- D10
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CCommunity
tan (x2 - 8x + 60°) = cot (6x - 5°)
tan (x2 - 8x + 60°) = tan {90° - (6x - 5°)}
x2 - 8x + 60° = 90° - 6x + 5
x2 - 2x = 35
∴ x (x -2) = 7× 5
∴ x = 7
tan (x2 - 8x + 60°) = tan {90° - (6x - 5°)}
x2 - 8x + 60° = 90° - 6x + 5
x2 - 2x = 35
∴ x (x -2) = 7× 5
∴ x = 7