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Leni [432]
3 years ago
15

Given that sin 28° ≈ 0.469, enter the cosine of a complementary angle.

Mathematics
1 answer:
Lena [83]3 years ago
4 0

Answer:

29 i think not sure ill reach back to you if i find a positive answer

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Viktor [21]

Answer:

Desmond's spinner.

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3 years ago
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given a rectangular has a length of 58.5 m and widht of 45 m. Draw a diagram with scake if givrn scale drawing is 1 cm:9m​
Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

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A parachutist descends 80 feet in 5 seconds. Express the rate of the parachutist change in height as a unit rate
denis23 [38]
80 ft in 5 sec = 80 ft/ 5 sec = 16 ft/ 1 sec
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3 years ago
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Simplify the left side of equation so it looks like the right side. cos(x) + sin(x) tan(x) = sec (x)
uranmaximum [27]

Step-by-step explanation:

Consider LHS

\cos(x)  +  \sin(x)  \tan(x)  =  \sec(x)

Apply quotient identies

\cos(x)  +   \sin(x) \times  \frac{ \sin(x) }{ \cos(x) }  =  \sec(x)

Multiply the fraction and sine.

\cos(x)  +  \frac{ \sin {}^{2} (x) }{ \cos(x) }  =  \sec(x)

Make cos x a fraction with cos x as it denominator.

\cos(x)  \times  \cos(x)  =  \cos {}^{2} (x)

so

\frac{ \cos {}^{2} (x) }{ \cos(x) }  +  \frac{ \sin {}^{2} (x) }{ \cos(x) }  =  \sec(x)

Pythagorean Identity tells us sin squared and cos squared equals 1 so

\frac{1}{ \cos(x) }  =  \sec(x)

Apply reciprocal identity.

\sec(x)  =  \sec(x)

7 0
3 years ago
If f(x)=-x+2, find f(4)
pickupchik [31]

Answer:

f(4)=-2

Step-by-step explanation:

f(4)=-4+2=-2

5 0
3 years ago
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