[" Aufafera an ana sma antil "],[" 1.(i) "(cos37^(@))/(sin53^(@))]

The value of (cos53^(@)-sin37^(@)) is

Find the value of (cos53^@)/(sin57^@)

Without taking the help of the table of tribonometric ratios,show that:(i) (cos37^@/sin53^@)+(sin41^@/cos49^@)=2

Evaluate the following: (i) (cos37^(@))/(sin53^(@))(ii)(sin41^(@))/(cos49^(@))(iii)(tan54^(@))/(cot36^(@))

" The value of ((sin17^(@))(cos13^(@))+(cos17^(@))(sin13^(@)))/((cos23^(@))(cos37^(@))-(sin157^(@))(sin37^(@))) is equal to

Find the value of cos^(2)37(1^(@))/(2)-sin^(2)37(1^(@))/(2)

Find the resultant of the following forces. [sin 37^(@) = (3)/(5) ,cos 37^(@) = (4)/(5) , sin 53^(@) = (4)/(5) , cos 53^(@) = (3)/(5)]

Find the resultant of the following forces. [sin 37^(@) = (3)/(5) ,cos 37^(@) = (4)/(5) , sin 53^(@) = (4)/(5) , cos 53^(@) = (3)/(5)]

Without using trigonometric tables, evaluate : (i) (cos 53^@)/(sin 37^@) (ii) (tan68^@)/(cot 22^@) (iii) (sec49^@)/(cosec 41^@) (iv) (sin 30^@17')/(cos 59^@43')

Evaluate (i) sin (cos^(-1) (3/5))