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Class 10 Book Solution from Gonit Prakash in Trigonometric Ratios of Complementary Angle Question No: 24.(3)(ii)

যদি \(\alpha\)\(\beta\) কোণ দুটি পরস্পর পূরক কোণ হয়, তাহলে দেখাই যে, \(cot\beta+cos\beta=\frac{cos\beta}{cos\alpha}(1+sin\beta)\)

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