Question
Download Solution PDFजर sec2 A + tan2 A = \(\frac{4}{{17}}\), तर sec4 A - tan4 A हे कशासमान आहे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले आहे:
sec2 A + tan2 A = \(\frac{4}{{17}}\)
वापरलेली संकल्पना:
sec2 A - tan2 A = 1
a2 - b2 = (a + b)(a - b)
गणना:
⇒ sec4 A - tan4 A = (sec2 A + tan2 A )(sec2 A - tan2 A )
⇒ sec4 A - tan4 A = 4/17 × 1
⇒ sec4 A - tan4 A = 4/17
∴ पर्याय 3 हे योग्य उत्तर आहे.
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