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3 September, 01:47

X is equal to 2019 degrees then what is the value of sin square x + cos square x

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  1. 3 September, 05:30
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    Step-by-step explanation:

    Note sin²x + cos²x = 1 is an identity and is true for any value of x, thus

    sin²2019° + cos²2019² = 1
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