पाठ 2
व्यवहार-कुशलता
सभा में एक तरुण विद्यार्थी भाषण देने के लिए खड़ा हुआ,
गोताओं ने तालियाँ पीटी,दस-पाँच वाक्य कहने के बाद ही उ
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11th
Maths
Trigonometric Functions
Trigonometric Equations
Solve tanθ + tan 2θ + √(3)t...
MATHS
Solve tanθ+tan2θ+
3
tanθtan2θ=
3
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ANSWER
tanθ+tan2θ+
3
tanθtan2θ=
3
tanθ+tan2θ=
3
(1−tanθtan2θ)
1−tanθtan2θ
tanθ+tan2θ
=
3
tan3θ=
3
=tan
3
π
⇒ 3θ=nπ+
3
π
, nϵZ
θ=
3
nπ
+
9
π
, nϵZ
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