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Trigonometry Te...

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  • Question 1
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    If tanθ + secθ = √3; 0 < θ <π, then θ​​​​​​​ is equal to

  • Question 2
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    Find the value of the following expression:

    [cosec (75° + θ) – sec (15° – θ) – tan (55° + θ) + cot (35° – θ)]

  • Question 3
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    If ∆ABC is right-angled at C, then the value of cos (A + B) is

  • Question 4
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    If sin A + sin 2A = 1, then the value of the expression (cos2A + cos4A) is

  • Question 5
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    If sin A = 1/2, then the value of cot A is

  • Question 6
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    Find the value of cos 30o . cos 60o . ------- cos 90o . cos 220o.

  • Question 7
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    If sin 2θ = cos 4θ, then θ is equal to

  • Question 8
    1 / -0

    In a ΔABC, (b +c) cos A + (c + a) cos B + (a + b) cos C is equal to

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