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प्रश्न
Prove the following: sin230° + cos230° = `(1)/(2)sec60°`
बेरीज
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उत्तर
L.H.S.
= sin230° + cos230°
= `(1/2)^2 + (sqrt(3)/2)^2`
= `(1)/(4) + (3)/(4)`
= `(4)/(4)`
= 1
= `(1)/(2) xx sec60°`
= R.H.S.
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Trigonometric Equation Problem and Solution
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