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maks197457 [2]
3 years ago
11

For which pairs of functions is (f times g)(x)=x? Please help!!!!

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

mean that your number cold promble be thorugh 12-100 to equal defined the varible to number is an futions of intrution grade promage

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Write the trigonometric expression sin(sin−1u−tan−1v) as an algebraic expression in u and v. Assume that the variables u and v r
igomit [66]

Answer:

[u – v√(1 – u²)]/√(1 + v²)

Step-by-step explanation:

Let sin^-1(u) = A, therefore sinA = u.

We know that sin(theta) = opposite/hypothenuse

Therefore, sinA = u/1 and u is the opposite side to angle A while 1 is the hypotenuse. Draw an acute triangle placing u opposite to angle A and 1 as the hypotenuse. By Pythagoras theorem the adjacent would be √(1 – u²).

By doing this, it means cosA = adjacent/hypotenuse = √(1 – u²)/1 = √(1 – u²)

Also, let tan^-1(v) = B, therefore tanB = v.

We know that tan(theta) = opposite/adjacent

Therefore, tanB = v/1 and v is the opposite side to angle B while 1 is the adjacent. Draw an acute triangle placing v opposite to angle B and 1 as the adjacent. By Pythagoras theorem the hypothenuse would be √(1 + v²).

Therefore, sinB = opposite/hypotenuse = v/√(1 + v²) and cosB = adjacent/hypotenuse = 1/√(1 + v²)

Now,

sin[sin^–1(u) – tan^–1(v)] =

sin(A – B) =

sinAcosB – sinBcosA =

u[1/√(1 + v²)] – [v/√(1 + v²)][√(1 – u²)] =

[u/√(1 + v²)] – [v√(1 – u²)/√1 + v²)] =

[u – v√(1 – u²)]/√(1 + v²).

8 0
3 years ago
If the cost price of a bag is AED 2176 and its selling price is AED 2497 then find the profit
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Answer:

321 AED

Step-by-step explanation:

2497 - 2176 = 321 AED

6 0
2 years ago
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
il63 [147K]
The answer is 66.6666%
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3 years ago
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Use the drop-down menus to choose steps in order to correctly solve 3+4−14=15−5−4
Anvisha [2.4K]

Answer the answer is d = 2

Step-by-step explanation:

7 0
3 years ago
The diagonal length of a TV is 32 inches, and the height is 17 inches. How wide is the TV?<br> Pls
KATRIN_1 [288]

Answer:

7√15

Step-by-step explanation:

32²-17²=735

√735

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3 years ago
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