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Mathematics 18 Online
OpenStudy (anonymous):

Help please, I don't understand one of these steps. I will attach picture.

OpenStudy (anonymous):

I dont understand step 4.

OpenStudy (anonymous):

Chicken of the sea, is it chicken or is it fish? Well you know how they got tan (theta)=1 right?, so basically we can rewrite tan (theta)=1 as sin(theta)/cos(theta)=1. Now what we are trying to do is find out when sin/cos(which is tan)equals 1. To do that we multiple both sides of our equation by cos and obtain:|dw:1337620534271:dw|

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