Question

If seco = 5/4, then tan o/2 =?
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Answer 1

Answer:

If seca=5/4 then evaluate tana/(1+tan 2 a). ... therefor tan a = p/b = 3/4 hence tan a / (1 + tan^2 a) = (3/4) / (5/4)^2 [ as 1 + tan2a = sec 2 a] ... interest at the rate of 7.5 compounded anually after how many year will this sum

Step-by-step explanation: