Simplify : (1-cos∅)(1+cos∅)(1+cot²∅)
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Answered by
7
(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
3
(1-cosø)(1+cosø)=(sinø)^2
1+(cotø)^2=(cosecø)^2
(cosecø)^2*(sinø)^2=1
Answer=1
1+(cotø)^2=(cosecø)^2
(cosecø)^2*(sinø)^2=1
Answer=1
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