并排一起
发表于 2025-3-21 20:09:02
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SHRIK
发表于 2025-3-21 23:05:38
Trigonometric equations and their solution,that. Comparing the coefficients of cos . and sin .. (It can be shown that, if . where ., ., . are constants, then . = ., . .. This should be compared with equating coefficients in polynomials.) Dividing, we have tan . and the situation shown in Fig. 3.1 for the case when . 0, . 0.
Wordlist
发表于 2025-3-22 02:57:13
Other topics,tan . and area Δ. tan .. If we draw the chord . then Δ. is an isosceles triangle of area ½. sin . Now assuming that. and also assuming the result (1.2) on p. 2, it follows that. Dividing by sin .. As . → 0, sec . → 1 and hence. Dividing (4.1) by tan .. As . → 0, cos . → 1 and hence
冷漠
发表于 2025-3-22 08:07:35
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扩张
发表于 2025-3-22 12:15:09
Trigonometric identities,It is often necessary to express the trigonometric ratios of angles such as . + . and . in terms of the trigonometric ratios of . and ..
ureter
发表于 2025-3-22 15:19:20
Core Books in Advanced Mathematicshttp://image.papertrans.cn/m/image/632429.jpg
记成蚂蚁
发表于 2025-3-22 19:10:34
Trigonometric equations and their solution,that. Comparing the coefficients of cos . and sin .. (It can be shown that, if . where ., ., . are constants, then . = ., . .. This should be compared with equating coefficients in polynomials.) Dividing, we have tan . and the situation shown in Fig. 3.1 for the case when . 0, . 0.
ordain
发表于 2025-3-22 23:39:18
Other topics,tan . and area Δ. tan .. If we draw the chord . then Δ. is an isosceles triangle of area ½. sin . Now assuming that. and also assuming the result (1.2) on p. 2, it follows that. Dividing by sin .. As . → 0, sec . → 1 and hence. Dividing (4.1) by tan .. As . → 0, cos . → 1 and hence
VEN
发表于 2025-3-23 02:38:16
Analysis of , strains containing defined deletions in , genes required for FeMo-co biosynthesistion strain. This led us to construct a new A. . strain, called DJ54, which was deleted only for the .H structural gene. When derepressed for nitrogenase synthesis this strain contained the MoFe protein polypeptides but did not contain FeMo-co (15).
Hay-Fever
发表于 2025-3-23 08:59:27
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