PHYS 2101 Midterm: PHYS 2101 LSU Testf2006 2101
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110: you are not permitted to use a calculator on this exam, in order to receive full credit, you must show your work. Be wary of doing computations in your head. 1 (10 points) find the exact value of. 2 (10 points) find the equation of the function which has the following graph. Indicate the amplitude, period, and phase shift . Fall-2016 (a) (10 points) verify the identity sin( + ) cos cos . = tan + tan (b) (15 points) verify the identity. Fall-2016 (a) (10 points) find the exact value of cos2(15 ) sin2(15 ) (b) (10 points) find the exact value of sin(75 ) 5 (5 points) what is the di erence between verifying an identity and solving an equation . Fall-2016 (a) (5 points) find the exact value of cos(cos 1( 3)) (b) (10 points) find the exact value of tan(sin 1( . 7 (10 points) find the exact value of sin(2 tan 1( .
