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Question
Verify the following:
2 sin 45° cos 45° = sin 90°
Sum
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Solution
`2 sin 45^0 cos 45^0`
=`2xx1/sqrt(2) xx1/sqrt(2) =1`
Also, sin `90^0 =1`
∴ `2 sin 45^0 cos 45^0 = sin 90^0`
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Chapter 11: T-Ratios of Some Particular Angles - EXERCISE 11 [Page 572]
