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C��c c?ng th?c l??ng gi��c

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C��c c?ng th?c l??ng gi��c

I. H? th?c c? b?n.
II. C?ng th?c Sin b��, ph? ch��o, cos ??i, Tan sai.
1. ??i nhau:
2. B�� nhau:
3. Ph? nhau:

4. Sai nhau:
III. C?ng th?c c?ng:

IV. C?ng th?c nh?n ??i:
V. C?ng th?c nh?n ba:
VI. C?ng th?c h? b?c:
VI. C?ng th?c chia ??i:

VII. T?ng th��nh t��ch:
VIII. T��ch th��nh t?ng :

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C��c c?ng th?c l??ng gi��c

1. I. H? th?c c? b?n. II. C?ng th?c Sin b��, ph? ch��o, cos ??i, Tan sai. 1. ??i nhau: 2. B�� nhau: 3. Ph? nhau:

2. 4. Sai nhau: III. C?ng th?c c?ng:

3. IV. C?ng th?c nh?n ??i: V. C?ng th?c nh?n ba: VI. C?ng th?c h? b?c: VI. C?ng th?c chia ??i:

4. VII. T?ng th��nh t��ch: VIII. T��ch th��nh t?ng :