lynnjill lynnjill

09-07-2017
Mathematics

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Given that tan2theta=3/8,what is the value of sec theta

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Аноним Аноним

09-07-2017

there's an identity

sec^2 x = 1 + tan^2 x

so here we have

sec^2 theta = 1 + (3/8)^2 = 73/64

sec theta = sqrt 73 / 8 or 1.068 to nearest thousandth

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