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Anvisha [2.4K]
2 years ago
15

HELP ME FAST!!!!!Plz my computers about to go dead ​

Mathematics
2 answers:
Viktor [21]2 years ago
8 0

Answer:

\frac{4}{15}

Step-by-step explanation:

Step 1: Solve

The denominator would be the total group of dolphins while the numerator is the number of dolphins that know the difference between a "strike" anda "ball".

Delvig [45]2 years ago
4 0
It’s 4/15
Answer = 3 3/4
I hope that helps :)
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Find an angle where sine and cosine are equal. find the tangent of that angle
algol13

Answer: The angle is 45\° and the tangent is 1

Step-by-step explanation:

The angle \theta at wich the functions sine and cosine are equal is 45\°. Let's prove it:

sin (45\°)=0.7071

cos (45\°)=0.7071

Hence:

sin (45\°)=cos (45\°)

On the other hand, the tangent function is defined as:

tan \theta=\frac{sin \theta}{cos \theta}

Then:

tan (45\°)=\frac{sin (45\°)}{cos (45\°)}

tan (45\°)=\frac{0.7071}{0.7071}

tan (45\°)=1

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