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Solve for x : tan2 (x - 5°) = 3

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प्रश्न

Solve for x : tan2 (x - 5°) = 3

योग
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उत्तर

tan2 (x – 5°) = 3
tan (x – 5°) = `sqrt3`
tan (x – 5°) =  tan 60°
x – 5° = 60°
x = 65°

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Trigonometric Equation Problem and Solution
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अध्याय 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - TEST YOURSELF [पृष्ठ ३३५]

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सेलिना Concise Mathematics [English] Class 9 ICSE
अध्याय 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
TEST YOURSELF | Q 7. (vi) | पृष्ठ ३३५
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