3 years ago

Find the value of the trigonometric function to find an approximate value correct to give decimal places

Mathematics

1 answer:

liq [111]3 years ago

6 0

If you have a graphing calculator set it to radian mode and put these in there.

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Dividing whole numbers how woukd u solve 86÷2

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

You chop 86 in half , it’s 43.

Think of it this way- 2 goes into 86 43 times

5 0

3 years ago

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Verify the identity. Show your work. cos(α - β) - cos(α + β) = 2 sin α sin β

s2008m [1.1K]

$\bf \textit{Sum and Difference Identities}
\\\\
cos(\alpha + \beta)= cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta)
\\\\
cos(\alpha - \beta)= cos(\alpha)cos(\beta) + sin(\alpha)sin(\beta)\\\\
-------------------------------$

$\bf {cos(\alpha - \beta)-cos(\alpha+\beta)}=2sin(\alpha)sin(\beta)
\\\\\\
\stackrel{\textit{left-hand-side}}{[cos(\alpha)cos(\beta) + sin(\alpha)sin(\beta)]-[cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta)]}
\\\\\\
\underline{cos(\alpha)cos(\beta)} + sin(\alpha)sin(\beta)-\underline{cos(\alpha)cos(\beta)} + sin(\alpha)sin(\beta)
\\\\\\
sin(\alpha)sin(\beta)+ sin(\alpha)sin(\beta)\implies 2 sin(\alpha)sin(\beta)$

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3 years ago

A monkey is happy if it eats 3 types of fruit. There are 20 pears, 30 bananas, 40 peaches and 50 oranges. How do you distribute

masha68 [24]

You divide all the number by 5 to get you answer of 4 pears, 6 bananas, 8 peaches, and 10 oranges

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Rasek [7]

Answer:

Step-by-step explanation:

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Girls to boys 12 and 14 ratio in fraction form

kirill [66]

Answer:

15/6 = 5*3 / 2*3 = 5/2

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