Question

    Determined the simplified value of the given

    expression:(1 - sin2 q) X (sec q + tan q) X (sec q - tan q) X cosec2 q
    A cot²q Correct Answer Incorrect Answer
    B sin²q Correct Answer Incorrect Answer
    C cos²q Correct Answer Incorrect Answer
    D tan²q Correct Answer Incorrect Answer

    Solution

    (1 - sinq) X (sec q + tan q) X (sec q - tan q) X cosecq= cosq X (secq - tanq) X cosecq ...... (Using sina + cosa = 1)= cosq X (1/sinq) ....... (Using seca - tana = 1)= cot² q

    Practice Next