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psl.
Find geometrically the relation between the sine and cosine of an angle ; and show that cos10 + 3 cos20 sin30 + 2 sin10 = 1 + sin30 . 2. Show that in any triangle ( a ) a = b cos C + c cos B. b sin C a - b cos с ( b ) tan B = 3.
Find geometrically the relation between the sine and cosine of an angle ; and show that cos10 + 3 cos20 sin30 + 2 sin10 = 1 + sin30 . 2. Show that in any triangle ( a ) a = b cos C + c cos B. b sin C a - b cos с ( b ) tan B = 3.
psl.
( b ) Graph 3x - x2-2 , and show how to obtain from it the graph of 3x - x2 - 7 . 3. ( a ) The pressure of the wind on a plane area varies jointly as the area and the square of the velocity of the wind . If the pressure on one square ...
( b ) Graph 3x - x2-2 , and show how to obtain from it the graph of 3x - x2 - 7 . 3. ( a ) The pressure of the wind on a plane area varies jointly as the area and the square of the velocity of the wind . If the pressure on one square ...
psl.
( c ) Show how observations on freely falling bodies might furnish data for comparing the dyne with the weight of one gram . 2. ( a ) Explain why a force must be applied to a body in order that it shall move in a circular path at ...
( c ) Show how observations on freely falling bodies might furnish data for comparing the dyne with the weight of one gram . 2. ( a ) Explain why a force must be applied to a body in order that it shall move in a circular path at ...
psl.
Show that the radius of gyration of any uniform right prism , about a line perpendicular to its axis and through the middle point of that axis , is equal to the sum of the radius of gyration of the axis of figure plus that of the ...
Show that the radius of gyration of any uniform right prism , about a line perpendicular to its axis and through the middle point of that axis , is equal to the sum of the radius of gyration of the axis of figure plus that of the ...
psl.
( a ) Show that there are two points in a straight uniform bar about which it will swing with the same period as about either end . ( b ) Establish the proposition you use it part ( a ) . B. Heat and Light . 5.
( a ) Show that there are two points in a straight uniform bar about which it will swing with the same period as about either end . ( b ) Establish the proposition you use it part ( a ) . B. Heat and Light . 5.
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