(1+1/tan²a)(1+1/cot²a)=sec²a.cosec²a
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Answer:
Sec²a = 1 + tan²a , Cosec²a = 1 + Cot²a
Step-by-step explanation:
(1+Cot²a)(1+tan²a)
Cosec²a * Sec²a
or Sec²a * Cosec²a
Answered by
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Answer:
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