Can someone please kindly help me solve these questions
1. state the standard identity relating cos and sin arising from Pythagoras Theorem
sec^2(x) + cosec^2(x) = sec^2(x) x cosec^2(x)
I have no idea what the question wants.
and this question
2. ln x + ln(1-x)-2ln(1+x)
It looks so simple but i just cant seem to get it right.. help
3. 5 x (1.5)^a = 100
how do i get a?
4. find the deriavative of the following
a) y=x^5e^x + 3
xlnxb. R=(e^t+1)(t-ln t)
y=(x^5)(e^x) + 3xlnx how do i solve this??