Maths

Given: \( Cosθ = \frac{105}{145} \) , then Find \( Tanθ \)

  • \( \frac{20}{21} \)
  • \( \frac{21}{29} \)
  • \( \frac{11}{21} \)
  • \( \frac{31}{29} \)

Find : Tan17 . Tan32 + Tan32 . Tan41 + Tan41.Tan17 = ?

  • 1
  • -1
  • 0
  • 3

Find : Cot38.Cot63 + Cot63.Cot79 + Cot79.Cot38 = ?

  • 1
  • -1
  • 0
  • 3

Find: \( \frac{Cos50}{1+ Sin50} \)

  • Tan20
  • Cos50
  • Sin50
  • Tan70

Type A + B = 90

Find : Tan7.Tan11. Tan23. Tan30 Tan45. Tan67. Tan79. Tan89 = ?

  • 1/√3
  • √3
  • 2√3
  • 2

Find : Cos1.Cos2.Cos3.—————-Cos179 = ?

  • 0
  • -1
  • 1
  • 2

Find : Cos(90-θ) = Sin(3θ-50) Find θ = ?

  • 25
  • 20
  • 45
  • 30

यदि \(7\sin^2\theta + 4\cos^2\theta = 5\) और \(\theta\) पहले चतुर्थांश में स्थित है, तो \(\dfrac{\sqrt{3}\sec\theta \cdot \tan\theta}{\sqrt{2}\cot\theta – \sqrt{3}\cos\theta}\) का मान क्या है?

  • \(2(1+\sqrt{2})\)
  • \(3\sqrt{2}\)
  • \(2(\sqrt{2}-1)\)
  • \(4\sqrt{2}\)

यदि \(\dfrac{\sin^2\theta}{\cos^2\theta – 3\cos\theta + 2} = 1\), \(\theta\) चतुर्थांश में है, तो \(\dfrac{\tan^2\dfrac{\theta}{2} + \sin^2\dfrac{\theta}{2}}{\tan\theta + \sin\theta}\) का मान है?

  • \(\dfrac{2\sqrt{3}}{27}\)
  • \(\dfrac{5\sqrt{3}}{27}\)
  • \(\dfrac{2\sqrt{3}}{9}\)
  • \(\dfrac{7\sqrt{3}}{54}\)
maths-trigo