Question
Download Solution PDFजर sin x + sin2x = 1 असेल, तर cos2x + cos4x चे मूल्य काढा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
sin2x + cos2x = 1
गणना:
दिलेल्याप्रमाणे: sin x + sin2 x = 1
आपल्याला माहीत आहे की, sin2x + cos2x = 1
⇒ sin x + (1 – cos2 x) = 1
⇒ sin x = cos2 x ----(1)
⇒ sin2 x = cos4x ((1) वापरून)
⇒ cos2 x + cos4 x = sin x + sin2 x = 1Last updated on Jul 22, 2025
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