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    Question

    Select the INCORRECT formula from the following

    options.
    A sec²θ – tan²θ = 1 Correct Answer Incorrect Answer
    B sin²θ + cos²θ = 1 Correct Answer Incorrect Answer
    C cosec²θ – cot²θ = 1 Correct Answer Incorrect Answer
    D sec²θ + cos²θ = 1 Correct Answer Incorrect Answer

    Solution

    Option 4 Is an incorrect formula. And given other formula is correct.

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