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Evaluate. cosec 31° – sec 59°. Q 1 (4)

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How i can solve the ncert class 10 question of introduction of trigonometry in a easiest way , please give me the best solution of the exercise 8.3 question no.4 (4). Evaluate. cosec 31° – sec 59°.

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  1. cosec 31° – sec 59°

    To simplify this, convert the cosec function into sec function

    We know that, 31° is written as 90° – 59°, which is equal to the sec 59°

    = cosec (90° – 59°) – sec 59°

    Substitute the value, to simplify this equation

    = sec 59° – sec 59° = 0

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