मराठी

((2 tan^2 30^circ sec^2 52^circ sin^2 38^circ)/(cosec^2 70^circ – tan^2 20^circ)) = ?

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प्रश्न

`((2 tan^2 30^circ sec^2 52^circ sin^2 38^circ)/("cosec"^2 70^circ - tan^2 20^circ))` = ?

पर्याय

  • 2

  • 1

  • `2/3`

  • `3/2`

MCQ
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उत्तर

`bb(2/3)`

Explanation:

Given expression = `{(2 xx (1/sqrt(3))^2 sec^2 52^circ sin^2 (90^circ - 52^circ))/("cosec"^2 70^circ - tan^2 (90^circ - 70^circ))}`

= `2/3 xx ((sec^2 52^circ cos^2 52^circ)/("cosec"^2 70^circ - cot^2 70^circ))`

= `2/3 xx 1/1`

= `2/3`

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पाठ 12: Trigonometric Ratios of Some Complemantary Angles - MULTIPLE-CHOICE QUESTIONS (MCQ) [पृष्ठ ५९४]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 12 Trigonometric Ratios of Some Complemantary Angles
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 13. | पृष्ठ ५९४
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