हिंदी

The value of (sin 30° + cos 30°) – (sin 60° + cos 60°) is ______.

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प्रश्न

The value of (sin 30° + cos 30°) – (sin 60° + cos 60°) is ______.

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उत्तर

The value of (sin 30° + cos 30°) – (sin 60° + cos 60°) is 0.

Explanation:

`sin 30^circ = 1/2, cos 30^circ = sqrt(3)/2`

`sin 60^circ = sqrt(3)/2, cos 60^circ = 1/2` 

So (sin 30° + cos 30°) – (sin 60° + cos 60°)

= `(1/2 + sqrt(3)/2) - (sqrt(3)/2 + 1/2)` 

= `(1 + sqrt(3))/2 - (sqrt(3) + 1)/2` 

= 0

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अध्याय 10: Trigonometric Ratios - FILL IN THE BLANK TYPE QUESTIONS (FBQs) [पृष्ठ १०.३९]

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आर.डी. शर्मा Mathematics [English] Class 10
अध्याय 10 Trigonometric Ratios
FILL IN THE BLANK TYPE QUESTIONS (FBQs) | Q 1. | पृष्ठ १०.३९
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