$\sec \theta=\csc \theta\tan \theta\\\\ \dfrac{1}{\cos \theta}=\dfrac{1}{\sin \theta}\cdot\dfrac{\sin \theta}{\cos \theta}\\\\ \dfrac{1}{\cos \theta}=\dfrac{1}{\cos \theta}$

3 0

3 years ago

Solving systems of equations by substitution -2x-3(6-11)=-7

Papessa [141]

Answer:

Step-by-step explanation:

Simplify both sides of the equation.

Subtract 15 from both sides.

Divide both sides by -2.

x = 11

3 0

3 years ago

HELP 20 POINTS..... roline bought 20 shares of stock at 101/2, and after 10 months the value of the stocks was 111/4. If Carolin

zhuklara [117]

I believe the answer is:

D. $15

6 0

3 years ago