MYP math Trigonometric equations

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MYP math Trigonometric equations

Postby Nyla » Sun Aug 18, 2013 10:20 am

MYP Mathematics Pre-diploma – Trigonometry, Trigonometric equations

How can we solve the following trigonometric equation?

for



Thanks
Nyla
 
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Re: MYP math Trigonometric equations

Postby Jack » Sun Aug 18, 2013 10:26 am

MYP Mathematics Pre-diploma – Trigonometry, Trigonometric equations

By treating the equation as a quadratic in and then factoring.





Now, you have to solve two trigonometric equations

and in the interval

For the first equation we have:



The above equation has two solutions in the interval



For the second equation we have:



The above equation has two solutions in the interval





Hope these help!!
Jack
 
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Re: MYP math Trigonometric equations

Postby Nyla » Sun Aug 18, 2013 10:30 am

Thanks Jack.
Nyla
 
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