$\dfrac{\tan\theta+\cot\theta}{\sec\theta\csc\theta}=\dfrac{\dfrac{\sin\theta}{\cos\theta}+\dfrac{\cos\theta}{\sin\theta}}{\dfrac1{\cos\theta}\dfrac1{\sin\theta}}=\dfrac{\sin^2\theta+\cos^2\theta}1=1$

6 0

3 years ago

How many different passwords can be made if it is three letters, followed by two digits, followed by a letter?

ohaa [14]

Infinitely many passwords can be made.

8 0

3 years ago

Which expression has a negative value? 7+3(-4)(2) -2[12/(-3)] (15-7)-(9/3) -5[7+(-14)]-30

denis23 [38]

Answer:

7+3(-4)(2) -2[12/(-3)] (15-7)-(9/3) -5[7+(-14)]-30= 49

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

A domain of [-4, -2, 1

UNO [17]

what???????

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5 0

3 years ago