5) find the value of ii) cosec^2 30° - cot^2 30°
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5) find the value of ii) cosec^2 30° - cot^2 30°
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Answer:
since ,
cosec²∅ - cot²∅ = 1
so,
cosec²30° - cot²30° = 1
where , ∅ = 30 °.
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Step-by-step explanation:
other important formula :
1. sin²∅ + cos²∅ = 1
2 .. sec²∅ - tan²∅ = 1