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प्रश्न
(1 – cos2 A) is equal to ______.
विकल्प
sin2 A
tan2 A
1 – sin2 A
sec2 A
उत्तर
(1 – cos2 A) is equal to sin2 A.
Explanation:
We know that,
sin2 A + cos2 A = 1
`\implies` 1 – cos2 A = sin2 A
Therefore,
1 – cos2 A is equal to sin2 A
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