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Trigonometrical...

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  • Question 1
    1 / -0

    If angle y is acute, i.e. 0° < y < 90° and sec 55° cos (90° - y) = 1; find the measure of angle y.

  • Question 2
    1 / -0

    What is the value of (secθ- cosθ) (cosecθ - sinθ) cosec2θ?

  • Question 3
    1 / -0

    Evaluate cos2 60° + cos2 30° + tan 76°.tan 14° - 2.

  • Question 4
    1 / -0

    Find the value of x if cos35° cosec55° + tan63° tan27° - x cos260° = 1.

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