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प्रश्न
Find the value of the following expression:
7 sin 30° cos 60°
बेरीज
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उत्तर
Given: 7 sin 30° cos 60°
Step-wise calculation:
1. `sin 30^circ = 1/2` and `cos 60^circ = 1/2`.
2. Therefore, `7 xx (1/2) xx (1/2)`
= `7 xx 1/4`
= `7/4`
`7/4 = 1.75`
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Notes
The answer in the textbook is incorrect.
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