How can I show that:
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Trig sub 1-cos^2 = sin^2 use this fact.
By substitution make
Originally Posted by pickslides By substitution make OK Thanks
You still haven't really "shown" it... Draw a right-angled triangle, perpendicular height hypotenuse 2 and base such that the angle is opposite the side Then... Therefore
Originally Posted by Archie Meade You still haven't really "shown" it... Draw a right-angled triangle, perpendicular height hypotenuse 2 and base such that the angle is opposite the side Then... Therefore it is clear that: Archie Meade thank you for your help.
We know that:
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