3 years ago

Which statement is true?

Mathematics

1 answer:

lisov135 [29]3 years ago

3 0

No statements are true

You might be interested in

1+secA/sec A = sin^2 A / 1-cos A

Fofino [41]

Answer: see proof below

Step-by-step explanation:

$\dfrac{1+\sec A}{\sec A}=\dfrac{\sin^2 A}{1-\cos A}$

Use the following Identities:

sec Ф = 1/cos Ф

cos² Ф + sin² Ф = 1

Proof LHS → RHS

$\text{LHS:}\qquad \qquad \dfrac{1+\sec A}{\sec A}$

$\text{Identity:}\qquad \qquad \dfrac{1+\frac{1}{\cos A}}{\frac{1}{\cos A}}$

$\text{Simplify:}\qquad \qquad \dfrac{\frac{\cos A+1}{\cos A}}{\frac{1}{\cos A}}\\\\\\.\qquad \qquad \qquad =\dfrac{1+\cos A}{1}$

$\text{Multiply:}\qquad \qquad \dfrac{1+\cos A}{1}\cdot \bigg(\dfrac{1-\cos A}{1-\cos A}\bigg)\\\\\\.\qquad \qquad \qquad =\dfrac{1-\cos^2 A}{1-\cos A}$

$\text{Identity:}\qquad \qquad \dfrac{\sin^2 A}{1-\cos A}$

$\text{LHS = RHS:}\quad \dfrac{\sin^2 A}{1-\cos A}=\dfrac{\sin^2 A}{1-\cos A}\quad \checkmark$

3 0

4 years ago

Logs5(3x-2) = 1 + Logs5 (x-4)

AnnZ [28]

Answer:

Step-by-step explanation:

6 0

3 years ago

A person who weighs 100 pounds on the Earth weighs 16.6 lb. on the moon. Which variable is the independent variable? Explain why

vladimir2022 [97]

The weight on Earth is the independent variable. Your weight on the moon depends on how much you weigh on the earth. The more you way on earth the more you way on the moon.

4 0

4 years ago

Read 2 more answers

The quarterback is sacked for a loss of 14 yards. Represent this amount in integer.

ratelena [41]

The integer will be -14 because he loss 14 yards

4 0

3 years ago

What is 2E*-4V*:34>2+sv5

Mrac [35]

Answer:yes

Step-by-step explanation:

6 0

3 years ago