Question
Download Solution PDFनिम्नलिखित में से कौन सा विकल्प सही त्रिकोणमितीय सर्वसमिका नहीं है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना
विकल्प 1: 1 + cot2θ = cosec2θ; सही है।
विकल्प 2: 1 + tan2θ = sec2θ; सही है।
विकल्प 3: 1 - sin2θ =cos2θ; सही है।
विकल्प 4: cos2θ - sin2θ = cos(2θ) सही नहीं है।
उत्तर 4 है।
Last updated on Jul 12, 2025
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