Please solve this problem. I can't solve it! And can someone explain how to do it please??

Mathematics

1 answer:

s2008m [1.1K]3 years ago

6 0

Answer:

1.23

Step-by-step explanation:

They already give u the amount of oz in a gram, so you would want to multiply 0.035 by 37.

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Tan9 - tan27 - tan63 + tan 81 = ?

ludmilkaskok [199]

Tan9−tan27−tan63−tan81
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3 years ago

If triangle RST is within Quadrant 4 and cos R= √3/2, what is the value of cotR

Nesterboy [21]

Answer:

CotR = -√3

Step-by-step explanation:

In the 4th quadrant, sin is negative;

Since Cos R = √3/2,

Adjacent = √3

Hypotenuse = 2

Get the opposite;

opp^2 = 2^2 -(√3)^2

opp^2 = 4 - 3

opp^2 = 1

Opp = 1

Get sinR

Sin R = opp/hyp

SinR= -1/2

CotR = cosR/sinR

CostR = (√3/2)/(-1/2)

CotR = √3/2* -2/1

CotR = -√3

6 0

3 years ago

Plz help ................................

Elodia [21]

Answer:

1/4 is correct, or .25 in decimal form

Step-by-step explanation:

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15. If x=a Sin2t (I+Cos2t) and y=b Cos 2t (1-Cos2t) then find dy/dx at =22/7*4

Sav [38]

By the chain rule,

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\mathrm dy}{\mathrm dt}\dfrac{\mathrm dt}{\mathrm dx}\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\frac{\mathrm dy}{\mathrm dt}}{\frac{\mathrm dx}{\mathrm dt}}$