MATH-119 WEEK 10 RECITATION QUESTIONS 1. Compute a ) tan-1 (tan 2 π 3 ) b ) sin ( cos-1 (-1 3 ) ) 2. Find the derivative w.r.t x of the function. f ( x ) = sin-1 ( 2 x-1 3 ) 3. Find the slope of tan-1 ( 2 x y ) = πx y 2 at (1 , 2) 4. Verify the addition formulas for cosh( x + y ) and sinh( x + y ) 5. Verify that Z sechx dx = tan-1 (sinh x
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