Question

prove a-b/a+c=tan(A-B)/2/tan(A+B)/2​

Answer 1

Step-by-step explanation:

5 The simple interest on a sum of money for 2 years at 12% per annum is 1380. Fi

(i) the sum of money.

(ii) the compound interest on this sum for one year payable half-yearly at the same

rate.