2 years ago

Please help me with this

Mathematics

2 answers:

torisob [31]2 years ago

6 0

The answer is B!
Have a nice day

marin [14]2 years ago

3 0

Answer:

B. 5(7 + 65 - 9t)

And

C. ) （-35-30s+45t)× (-1)

Step-by-step explanation:

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hichkok12 [17]

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3 years ago

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Furkat [3]

Step-by-step explanation:

$\tan \theta = \frac{3}{4} \\ \\ \sec \theta = \sqrt{1 + { \tan }^{2} \theta} \\ \hspace{22 pt} = \sqrt{1 + {( \frac{3}{4} )}^{2} } \\ \hspace{22 pt} = \sqrt{1 + {\frac{9}{16} }} \\ \hspace{22 pt} = \sqrt{ {\frac{16 + 9}{16} }} \\ \hspace{22 pt} = \sqrt{ {\frac{25}{16} }} \\ \red{ \boxed{\bold{ \therefore \sec \theta = { {\frac{5}{4} }} }}} \\ \\ \cos \theta = \frac{1}{\sec \theta } = \frac{4}{5} = \frac{a}{b} \\ \\ \implies \: a = 4 \: and \: b = 5$