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# C4 Trig question watch

1. I was set this question as part of an end of topic review but I can't figure out how to do it Attached a pic of the question and what I've managed to do so far. Thanks!
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2. (Original post by Spotted Monkey)
I was set this question as part of an end of topic review but I can't figure out how to do it Attached a pic of the question and what I've managed to do so far. Thanks!
First off, you'd be better in the maths subforum rather than this umbrella forum. Did it get moved here, or did you place it yourself - I ask as a lot of maths is ending up here.

Regarding your actual question.

1) Yep.

2) From the beginning use the formula sec^2 = 1+ tan^2, to get a quadratic in tan.
3. (Original post by ghostwalker)
First off, you'd be better in the maths subforum rather than this umbrella forum. Did it get moved here, or did you place it yourself - I ask as a lot of maths is ending up here.

Regarding your actual question.

1) Yep.

2) From the beginning use the formula sec^2 = 1+ tan^2, to get a quadratic in tan.
Yeah I tried to post in maths but it got moved here.

Thank you! That makes so much more sense I don't know why I missed that

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