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Sec 60° . cos^2 30° + sin^2 45° का मान ज्ञात कीजिए।

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Question

sec 60° . cos2 30° + sin2 45° का मान ज्ञात कीजिए।

Sum
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Solution

sec 60° . cos2 30° + sin2 45°

= `2 xx ((sqrt3)/2) + (1/sqrt2)^2`

= `2 xx 3/4 + 1/2`

= `3/2 + 1/2`

= 2

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2025-2026 (March) Basic - 430/2/3
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