Simplify : (1-cos∅)(1+cos∅)(1+cot²∅)
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Answered by
24
(1-cos∅)(1+cos∅)(1+cot²∅)
= (1²-cos²∅) (1+cot²∅)
= sin²∅ (1+cot²∅)
= sin²∅ (cosec²∅)
= sin²∅ (1/sin²∅)
= 1
= (1²-cos²∅) (1+cot²∅)
= sin²∅ (1+cot²∅)
= sin²∅ (cosec²∅)
= sin²∅ (1/sin²∅)
= 1
Answered by
5
(1-cos∅)(1+cos∅)(1+cot²∅)
(1 - cos²∅ ) ( 1 + cot²∅)
sin²∅ cosec²∅
1
(1 - cos²∅ ) ( 1 + cot²∅)
sin²∅ cosec²∅
1
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