3 years ago

Could you prove this trignometry identity? It's sin x cot x =cos x

Mathematics

2 answers:

chubhunter [2.5K]3 years ago

8 0

Answer:

sinx ×cosx/sinx

sinx gets cancelled

cosx

Masja [62]3 years ago

5 0

Cotx can also be written as cosx/sinx. So sinx × cosx/sinx = cosx.

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What two sums are equal to 3 3/4? Pls show work.

Rina8888 [55]

3 + 3/4 = 3 3/4

Ans: 3 and 3/4

2 + 1 3/4 = 3 3/4

Ans: 2 and 1 3/4

5 0

3 years ago

Trevor’s total employment compensation is $33,500. If Trevor has no job expenses and his gross pay is $28,600, then his total em

forsale [732]

X% of $28,600 is $33,500
x/100 * 28,600 = 33,500
x = 33,500 * 100 / 28,600
x = 117.13% = 117%

117% - 100% = 17%

The answer would be 17%.
Glad to help :)

5 0

3 years ago

Read 2 more answers

5. Average (missing value). The temperature at the top of Mt. Hood in Oregon was recorded for 5 straight days. For the first fou

Nata [24]

Answer:

5°F

Step-by-step explanation:

Given that the average is obtained from;

Average = sum of scores / number of scores

Average temperature = 19.8°F

Let the temperature of the fifth day be x

Hence;

19.8 = 32 + 30 + 22 + 10 + x/5

19.8 = 94 + x/5

x= (5×19.8) -94

x= 5°F

4 0

3 years ago

May someone help me SKSKSKSKSK

Arte-miy333 [17]

Answer:

P= A + B + C

Step-by-step explanation:

P= Side + base + Side

P= 10 + 6 + 8

P = 24

3 0

3 years ago

What is 1 3/4 divided by 2/5

sveta [45]

Answer:

35/8

Step-by-step explanation:

1 3/4 = 1 + 3/4 = 4/4 + 3/4 = 7/4.

So 1 3/4 ÷ 2/5 = 7/4 × 5/2 = 35/8.

6 0

3 years ago