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प्रश्न
Solve for x : sin2 x + sin2 30° = 1
बेरीज
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उत्तर
sin2x + sin230° = 1
sin2x = 1 –sin2 30°
sin2x = 1 – `(1)/(4)`
sin2x = `(sqrt3)/(2)`
x = 60°
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Trigonometric Equation Problem and Solution
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