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FSc Part 1 (KPK Boards)
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ries and its sum of $n$ terms. * know method of differences and its uses. * use the partial fraction to fi... = Chapter 10: Trigonometric Identities of Sum and Difference of Angles ===== === Objectives === After reading ... xpress the product of sines and cosines as sum or differences of sines and cosines. * express the sums or differences of sines and cosines as product. ===Download=== <