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3 years ago

Free points and brainlist .help me with this

Mathematics

2 answers:

emmainna [20.7K]3 years ago

6 0

Answer:

The better buy is the Grandma's Cookies

Step-by-step explanation:

Grandma's Cookies

30 divided by 14.75 = 2.033898305

Sweet Treats

25 divided by 10.75 = 2.325581395

Hope this helps! :D

butalik [34]3 years ago

3 0

Answer:

in the first picture bag costs 50 cents but in the second picture bag costs 67 cents.So better but grandmas cookies .

Step-by-step explanation:

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6 0

2 years ago

Tan(-212°)=____. 1. -cot 32° 2. tan 32° 3. cot 32° 4. -tan 32°

Marrrta [24]

Answer:

4. $-\tan 32$ °

Step-by-step explanation:

Given:

The tangent of the angle is given as:

$\tan (-212\°)$

Since the angle is negative, it means that it is measured in the clockwise direction as angles measured in clockwise direction are negative and that measured in counter clockwise directions are positive.

-212° when measured from counter clockwise direction will be equal to:

$-212\°(Clockwise)=360-212=148\°(CCW)$

Therefore, $\tan (-212\°)$ = $\tan (148\°)$

Now, we have the identity for tan as:

$\tan(\pi-\theta)=-\tan \theta$

Here, $\theta=148\°$

Therefore,

$-\tan (148\°)=\tan(180-148)\\-\tan(148\°)=\tan(32\°)\\\textrm{Multiplying both sides by -1, we get:}\\-1(-\tan(148\°)=-1\times \tan(32\°)\\\\\tan(148\°)=-\tan(32\°)$