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IB Mathematics HL – Trigonometry, Trigonometric equations

How can we solve the following trigonometric equation?

in the interval .

Thanks

How can we solve the following trigonometric equation?

in the interval .

Thanks

- nicole
**Posts:**0**Joined:**Mon Jan 28, 2013 8:10 pm

IB Math HL – Trigonometry, Trigonometric equations

From unit circle we have the following:

accepted

or rejected

or accepted

or accepted

or accepted

or accepted

or rejected

Therefore, the solutions are

From unit circle we have the following:

accepted

or rejected

or accepted

or accepted

or accepted

or accepted

or rejected

Therefore, the solutions are

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

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