Q . If cosecA-cotA=15, then value of cosecA+cotA is equal to
• 1
•15
•1/15
•14
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Answer:
using relation
cosec ²A -cot²A =1
split into two (cosec A+ cot A) * (cosec A- cot A) =1
on placing values
15*(cosec A+ cot A) =1
(cosec A+ cot A) =1/15
Step-by-step explanation:
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