Evaluate: 7 cosec*2 A - 7 cot*2A
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sowhmya:
How did u stephis. Plez explain the second step
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7 (cosecA)^2 - 7 (cotA)^2
= 7 {(cosecA)^2 - (cotA)^2}
= 7 × 1 = 7.
Hope that this will help u.
7 (cosecA)^2 - 7 (cotA)^2
= 7 {(cosecA)^2 - (cotA)^2}
= 7 × 1 = 7.
Hope that this will help u.
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