Recent content by physicsnoob145

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    High School Need help determining whether to use cosine or sine

    thank you it is a little clearer now
  2. P

    High School Need help determining whether to use cosine or sine

    I'm having trouble understanding when to use sine or cosine in my physics problems for example I got this from one of the lectures off youtube and I know why they are using sine and cos because it is at an angle but I'm rotating the angle to understand why it is mgcosbeta and why the other is...