Trigonometric Ratios of Multiple and Sub-Multiple Angles

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  • Q1

    Marks:1
    Answer:

    (x2-1).

    Explanation:

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  • Q2

    Marks:1
    Answer:

    cos2.

    Explanation:

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  • Q3

    Marks:1
    Answer:

    1/2.

    Explanation:

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  • Q4

    Marks:1
    Answer:

    tan x.

    Explanation:

     

     

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  • Q5

    The value of tan(/8) is equal to

    Marks:1
    Answer:

    (2) - 1.

    Explanation:

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