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2 years ago

Please help with math problem if do 5 star

Mathematics

1 answer:

sasho [114]2 years ago

4 0

Answer:

Step-by-step explanation:

yes

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What do you multiply by 80 to get 55

Ray Of Light [21]

Answer:

$\frac{11}{16}$

Step-by-step explanation:

11/16 * 80 = 55

5 0

3 years ago

Verify the identity

Thepotemich [5.8K]

<u>Given</u>:

Given that we need to prove the identity $\sin x+\sin x \tan ^{2} x=\tan x \sec x$

<u>Proof</u>:

Step 1: Factor out the common term sin x, we get;

$\sin x\left(1+\tan ^{2} x\right)=tan \ x \ sec \ x$

Step 2: Using the identity $1+tan^2 x=sec^2x$

$\sin x \sec ^{2} x=tan \ x \ sec \ x$

Step 3: Reciprocating sec x, we get;

$\sin x \cdot \frac{1}{\cos ^{2} x}=tan \ x \ sec \ x$

Step 4: Splitting the denominator, we have;

$\frac{\sin x}{\cos x} \cdot \frac{1}{\cos x}=tan \ x \ sec \ x$

Simplifying, we get;

$\tan x \sec x=\tan x \sec x$

Thus, the identity is proved.

5 0

3 years ago

Im bored who tryna talk rn

olga55 [171]

ME but i have a math test sadly

7 0

3 years ago

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Please can someone help I try it hard but I don’t understand it

sammy [17]

He could have scored 7, 14, 21, 28, 35, or 42 points (all multiples of 7 less than 45).

answer: B

5 0

3 years ago

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Help plz need this done

Marat540 [252]

Answer:

$\cos(o) = \frac{12}{13}$

Step-by-step explanation:

cos O = adjacent / hypotenuse

cos O = 12/13

I hope I helped you^_^

4 0

3 years ago

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