Question
If a line has direction ratios 2, -1, -2, determine its
direction cosines.Solution
Directions cosines are: => 2/[√(22 + (-1)2 + (-2)2)], -1/[√(22 + (-1)2 + (-2)2)], -2/[√(22 + (-1)2 + (-2)2)] => 2/3, -1/3, -2/3
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
What approximate value should replace the question mark?
(599.90 ÷ 12.02) + (179.98 ÷ 6.00) = ?% of 200.0 - 20.3
What approximate value will come in place of the question mark (?) in the following question?
(Note: You are not ...(15.15 ×  31.98) + 30.15% of 719.99 = ? + 124.34
(115.25 + 324.78) ÷ 4.99 = ?2 – 56.44Â
1299.999 ÷ 325.018 × 24.996 = ?
(31.9)3 + (34.021)² - (16.11)3 - (42.98)² = ?
49.96% of 120.21 + √(15) ÷ 1.87 × 4.41 = ?Â
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
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