- How would you prove lim x-> 0 cos (x) = 1 checking if (-pi/2, pi/2) , 0 <= 1- cos x?

Discover Questions

In equal-tempered tuning the frequency (in Hz) of the note one tone above 220 Hz is...? Let X1 & X2 have joint pmf p(x1, x2)=(x1x2)/36. 0 otherwise Find joint pmf of Y1=X1X2 and Y2=X2? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400 Is it true that the oxidation number of an ion is equal to its protons subtracting its electrons?