A certain sum of money is invested at the rate of 10% per annum compound intrest, the interst compounded annually. if the difference between interst of third year and frist year is Rs. 1105 find the sum invested

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter