1 ) cot x * sin x = cos x
(cos x / sin x) * sin x = cos x
cos x = cos x
Answer: B ) cot x = cos x / sin x
2 ) ( sin² x + cos² x ) / cos x = sec x
1/cos x = sec x
sec x = sec x
Answer: C ) cos² x + sin² x = 1

3 0

3 years ago

Antonio uses dish soap in his recipe for giant bubbles. he compares the prices of two brands of soap. which brand is the better

schepotkina [342]

Answer:$2.36

Step-by-step explanation:

6 0

3 years ago

For which interval is the average rate of change of f(x) negative?

Aloiza [94]

Option C. It’s where it’s decreasing over the entire interval.

7 0

3 years ago

2x-y+3x=. when y is 4 and x is 3.

Gelneren [198K]

2 x 3 - 4 + 3 x 3 = 11

Do PEMDAS.

Parenthesis

Exponents

Multiplication

Addition

Subtraction

3 0

3 years ago

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