New Doc 2020-04-14 15.39 · 2020. 4. 22. · cos X—C-OS4k X cosqxd k — Sin t Sin xcos 60s x du...
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New Doc 2020-04-14 15.39 · 2020. 4. 22. · cos X—C-OS4k X cosqxd k — Sin t Sin xcos 60s x du — —Sin X —clu ( + cos2C S Coss I -t c052-t—cos COs CI=cosX 1 t I S WVCL