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[aj221]

Hi I somehow just don't get these two questions, it would be great if someone could upload solutions for them. Thanks in advance

 

[cossine]

Hi I somehow just don't get these two questions, it would be great if someone could upload solutions for them. Thanks in advance

8. Create the differential equation. And then solve the differential equation.
9. If you know the trig identities such as 1 + tan^2(theta) = sec^2(theta). You just need to give it go and see how things turn out.