Hi I need help on solving some of the following equations: 1) Solve for x = . 2)Solve sec(x)=2.5 in the interval , giving the answers correct to two decimal places. P.S
Follow Math Help Forum on Facebook and Google+
Originally Posted by Paymemoney Hi I need help on solving some of the following equations: 1) Solve for x = . 2)Solve sec(x)=2.5 in the interval , giving the answers correct to two decimal places. P.S 1. What is this expression equal to? If it's equal to 0 then factor or 2.Take the reciprocal of both sides
yeh the first question is equal to 0
in question 2 I'm not sure if i have done it correct: so
Originally Posted by e^(i*pi) 1. What is this expression equal to? If it's equal to 0 then factor or i get two solutions for when cos(x)=0, which are & . However how do you get the solutions for cos(x)=sin(x)
Originally Posted by Paymemoney i get two solutions for when cos(x)=0, which are & . However how do you get the solutions for cos(x)=sin(x) Divide both sides by . So .
View Tag Cloud