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प्रश्न
`("cosec"^2 "A" - "cot"^2 "A")/(1 - "sin"^2 "A")` is equal to ______.
विकल्प
sin2 A
cos2 A
sec2 A
tan2 A
MCQ
रिक्त स्थान भरें
उत्तर
`("cosec"^2 "A" - "cot"^2 "A")/(1 - "sin"^2 "A")` is equal to sec2 A.
Explanation:
`("cosec"^2 "A" - "cot"^2 "A")/(1 - "sin"^2 "A")`
`1/"cos"^2 "A"`
`"sec"^2 "A"`
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