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3 years ago

Give tan(0)=4/3 and sin(0)= -4/5, find cos(0)

Mathematics

1 answer:

tangare [24]3 years ago

4 0

Step-by-step explanation:

tan (0)=sin (0)/cos (0)

cos (0)=sin (0)/tan (0)

= -4/5/4/3

= -3/5

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Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

This helicopter has a rotor that moves at a rate of 600 spins per minute while flying. Which statement is supported by this info

jeka57 [31]

Answer: d. The helicopter rotor will spin 36,000 times in 1 hour

Step-by-step explanation:

Option A is wrong because in 40 minutes the rotor will spin:

= 40 * 600

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Option B is wrong because we cannot know the number of times the rotor will spin before being lifted off of the ground with the details given.

Option C is wrong because in 3 hours the rotor will spin:

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Option D is correct because in 1 hour the rotor will spin:

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3 years ago

-6a (2b+ 5bc) <br><br> has to be in a distributive property

LuckyWell [14K]

Answer is in the picture:

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3 years ago

Roberto's toy car travels 600 inches at high speed and then another 456 inches at low speed. What is the total distance the car

Aleks04 [339]

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3 years ago

Based on the NYC Department of Health Community Health Survey in 2010, a 95% confidence interval for the proportion of New Yorke

g100num [7]

Answer:

With 95% confidence, at least 1,794,000 were tested for HIV within the past 12 months

Step-by-step explanation:

The lower bound of the confidence interval is 29.9%.

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3 years ago