Self Studies

Trigonometrical...

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  • Question 1
    1 / -0

    What is the value of sin. cos[tan + cot]?

  • Question 2
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    If sin θ =, then for 0o < θ < 90o, =

  • Question 3
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    cot + tan equals

  • Question 4
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    If 3 tan = 4, find the value of .

  • Question 5
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    In the triangle ABC, AB = 2 units, BC = 3 units and AC = 4 units. Find the value of cos A.

  • Question 6
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    If cos = , which of the following is the value of sec2?

  • Question 7
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    ABC is a right triangle, right angled at A. If sin B = , what is the value of tan C?

  • Question 8
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    If cos A = and tan B = , find the value of sin (A + B), if sin(A + B) = sinA cosB + cosA sinB

  • Question 9
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    Evaluate:

  • Question 10
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    Evaluate

  • Question 11
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    If cosθ =, then tanθ =

  • Question 12
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    If cos θ = , what is the value of ?

  • Question 13
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    A triangle ABC is right-angled at B. If sin A = , which of the following is the value of cos A?

  • Question 14
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    If tan A = 1 and sin B = , find the value of cos (A + B).

  • Question 15
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    If tan A =, find the value of cosec2A - sec2A.

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