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maxonik [38]
3 years ago
15

The trigonometric ratios sine and secant are reciprocals of each other true or false?

Mathematics
2 answers:
kodGreya [7K]3 years ago
7 0

True: The trigonometric ratios sine and secant are reciprocals of each other

jek_recluse [69]3 years ago
4 0

That's FALSE.


It's sine and cosecant that are reciprocals, as are cosine and secant, as well as tangent and cotangent.


The "co" or complementary functions are their corresponding non-complementary function applied to the complementary angle: cos(x) = sin(90-x), that kind of thing.


The non-co functions sine, secant and tangent all increase with increasing angle in the first quadrant. The co functions all decrease.


Since when sine increases its reciprocal decreases, its reciprocal must be one of the co functions, and of course it's cosecant.



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3 years ago
1. Are the two expressions below<br> equivalent <br> 25x + 20y = 5x(5+4y)
alexandr402 [8]

Answer:

No.

Step-by-step explanation:

25x + 20y = 5x(5 + 4y)

Distribute the 5x inside the (5 + 4y).

5x * 5 = 25x

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4 0
3 years ago
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Liula [17]
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8 0
3 years ago
Read 2 more answers
1+2+3+4+5+6.......+99 what is the quickest way to find the answer Thank u
serious [3.7K]

Answer:

Step-by-step explanation:

Use the formula Sum = (a + L)*n/2

The tricky part is n. That's the number of terms between 1 and 99 inclusive.

n = 99 -1 + 1 = 99

n = 99

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Sum = (1 + 99)*99 / 2

Sum = (100)*99/2

Sum = 4950

3 0
3 years ago
Read 2 more answers
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