Question
If cos4 p - sin4 p = , then the value of 2 cos2 p - 1 is
(cos2 p + sin2 p)(cos2 p - sin2 p) = More Trigonometry Questions
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- Question 9
- Suppose 140sin²X + 124cos²X = 136 and 184sin²Y + 200cos²Y = 196, then determine the value of 18cosec²Xsec²Y.
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