2tan 30°/1+tan230° =
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Answered by
1
Answer:
1.439932186
Step-by-step explanation:
Answered by
1
Answer:
2 tan 30° / (1 + tan² 30°)
Multiply and divide by cos² 30°
=> 2 sin 30° cos 30° /( cos² 30° + sin² 30°)
=> sin (2*30)° / 1
[∵ sin 2x = 2 sin x cos x and sin²x + cos²x = 1]
=> sin 60°
=> √3/2
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