Question

If sin O =20/29 find the values of cos O and tan 8.​

Answer 1

Answer:

Cos O = 21/29

Tan O = 20/21

Step-by-step explanation:

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Answer 2

Answer:

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Question ⤵

If sin@ =20/29 find the values of cos@ and tan@?

Answer ⤵

Given

➡Sin@=20/29

Find out

➡cos@

➡tan@

Using formula

➡sin²@+cos²=1, from this cos²@=1-sin²@

➡tan@ =sin@/cos@

Solution ⤵

➡

${cos}^{2} = 1 - {sin}^{2} \\ {cos}^{2} = 1 - \ ({ \frac{20}{29}) }^{2} \\ {cos}^{2} = 1 - \frac{400}{841} \\ {cos}^{2} = \frac{841 - 400}{841} \\ cos = \ \ \sqrt{ \frac{441}{841} } \ \\ cos = \frac{21}{29} \\ now \:using .....\: \\ \: \: \: \: \: tan = \frac{sin}{cos} \\ tan = \frac{ \frac{20}{29} }{ \frac{21}{29} } \ \\ tan = \frac{20}{29} \times \frac{29}{21} \\ tan \frac{20}{21}$

Hence the cos@=21/29

and tan@=20/21

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