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Law Incorporation [45]
3 years ago
10

In a right triangle, the value of cos B = 3/5. What is the value of sin B?

Mathematics
1 answer:
Yanka [14]3 years ago
4 0

Answer:It would be 3/5 as well.

Step-by-step explanation:

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Please help ASAP 30 pts + brainliest to right/best answer
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Find the equation of a line that passes through the point (-2,3) and has a gradient of 3.
nadya68 [22]

Answer:

y = 3x+9

Step-by-step explanation:

The standard form of equation of a line is in the form y = mx + c

m is the gradient

c is the y intercept

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When two equal forces are inclined at an angle 2a their resultant is twice as great as
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Step-by-step answer:

Referring to the attached diagram, the resultant of two forces each with magnitude F and inclined to each other at 2a equals

Ra = 2Fcos(a) ..............................(1)

Similarly, the resultant of two forces each with magnitude F and inclined to each other at 2b equals

Rb = 2Fcos(b)..............................(2)

We are given that

Ra = 2Rb  ....................................(3)

Substitute (1) & (2) in (3) gives

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Expand

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Simplify

cos(a) = 2 cos(b)   QED

Note: Please note that you might have a faster response if you posted this question in the physics or the (new) Engineering section.

Have a nice day!

5 0
3 years ago
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