What is the value of cosec (–1410°) ?
Answer : Option B
Explanation : cosec (–1410°) = – cosec (1410°)
cosec (– θ) = – cosecθ
= –cosec (360° × 3 + 330°)
= –cosec (330°)
= –cosec (360° – 30°)
= cosec 30°
= 2
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What is the value of cosec (–1410°) ?
cosec (–1410°) = – cosec (1410°)
cosec (– θ) = – cosecθ
= –cosec (360° × 3 + 330°)
= –cosec (330°)
= –cosec (360° – 30°)
= cosec 30°
= 2