1. ABC AC = BC = 10, AB = 12. cos A.
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2. ABC AC = BC = 10, AB = 16. tg A.
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3. ABC AC = BC = 10, AB = 16. sin A.
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4. ABC AC = BC, AB = 10, AH 8. sin A.
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5. ABC AC = BC, AB = 10, AH 8. cos A.
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6. ABC AC = BC, AB = 10, AH , BH = 6. cos A.
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7. ABC AC = BC, AH , sin A = 0,8. BAH.
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8. ABC AB = BC, AC = 16, CH 8. ACB.
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9. ABC AB = BC, AC = 5, CH , AH = 4. ACB.
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1. ABC C 90, AB = 10, BC = 6. A.
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2. ABC C 90, AB = 10, BC = 6. A.
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3. ABC C 90, cos B = 0,8. A.
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4. ABC C 90, cos A = 0,8. A.
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5. ABC C 90, tg A = 0,75. A.
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6. ABC C 90, sin A = 0,6. B.
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7. ABC AC = BC = 10, AB = 12. B.
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8. ABC AB = BC, AB = 10, CH 8. ABC.
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9. ABC AB = BC, CH , AB = 10, BH = 6. ABC.
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,
1. AOB. , 
.
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2. AOB.
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3. AOB. , 
.
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4. AOB.
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5. AOB. , .
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6. AOB. , .
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|
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7. AOB.
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8. AOB. , 
.
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9. AOB. , .
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1. ABC C 90, 
, AC = 8. AB.
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2. ABC C 90, tg A = 0,75, BC = 9. AC.
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3. ABC C 90, sin A = 0,6, BC = 6. AB.
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4. ABC C 90, cos A = 0,8, BC = 3. AB.
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5. ABC C 90, sin A = 0,6, AC = 4. AB.
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6. ABC C 90, tg A = 
, BC = 6. AB.
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7. ABC C 90, CH , AB = 25, cos A = 0,8. AH.
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8. ABC C 90, CH , AB = 25, sin A = 0,6. BH.
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9. ABC C 90, CH , AH = 16, tg A = 0,75. BH.
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