The value of the expression (cos⁶θ + sin⁶θ – 1)(tan²θ + cot²θ + 2) is:
(a) 0
(b) -1
(c) -3
(d) 1
Sol:
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The value of the expression (cos⁶θ + sin⁶θ – 1)(tan²θ + cot²θ + 2) is:
(a) 0
(b) -1
(c) -3
(d) 1
Sol:
