Question

pls answer this question​

Answer 1

Explanation:

ac² + ad² = cd²

1.5² + ad² = 3²

ad² = 9 - 2.25

ad² = 6.75

ad = √6.75

AC = 1.5m

CD = 3 m

AD = √6.75 m

i) tan theta = opp/ adj

= Ac/AD

= 1.5/√6.25

ii) sec theta = hyp/adj

= 3/√6.75

cosec theta= hyp/opp

= CD/AC

= 3/1.5

= 2

sec theta + cosec theta

= 3/√6.75 + 2

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