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IB Mathematics SL– Trigonometry, Trigonometric equations

How can we solve the following trigonometric equation?

for

Thanks

How can we solve the following trigonometric equation?

for

Thanks

- Jane
**Posts:**0**Joined:**Tue Mar 19, 2013 8:47 pm

IB Maths SL – 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 only one solution in the interval

For the second equation we have:

The above equation has two solutions in the interval

Hope these help!!

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 only one solution in the interval

For the second equation we have:

The above equation has two solutions in the interval

Hope these help!!

- miranda
**Posts:**268**Joined:**Mon Jan 28, 2013 8:03 pm

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