# Algebra

Find the complete solution of each equation. Express your answer in degrees.
sec^2 θ+sec θ=0
2 cos^2 θ+1=0
cot θ=cot^2 θ
sin^2 θ+5 sin θ=0

1. 👍 0
2. 👎 0
3. 👁 309
1. sec (sec+1)=0
theta= arcsec0 and theta=arcsec-1

I will be happy to critique your work on the others. Are you certain you copied the second one correctly?

1. 👍 0
2. 👎 0

## Similar Questions

1. ### algebra. help!

Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a constant rate of 30 feet per second. The distance between the bicycle and the checkpoint is given by the

2. ### Math

Starting from 130 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is traveling as a constant rate of 25 feet per second. The distance between the bicycle and the checkpoint is given by the

3. ### Bubbles

starting from 105 feet away a person on a bicycle rides towards a checkpoint and then passes it. the rider is traveling at a constant rate of 35 feet per second. THe distance between the bicycle and the checkpoint is given by the

4. ### Calculus

A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 5 sec later is 27 ft from the

1. ### Calculus

Solve: The posistion of a particle moving along a coordinate line is s=sqrt(5+4t), with s in meters and t in seconds. Find the particle's velocity at t=1 sec. A) 2/3 m/sec B) 4/3 m/sec C) -1/3 m/sec D) 1/6 m/sec Thank you!

2. ### Science

a ball is thrown upward at a speed of 12 m/s. It will reach the top of its path in about: a) 0.6 sec b) 1.2 sec c) 1.8 sec d) 2.4 sec Please explain how you find the answer!!! I cannot figure it out

3. ### Math

A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by the following. h(t) = -16t2 + 272t + 8 (a) Find the times when the rocket is at a height of 488 ft. t = sec (smaller

4. ### calculus

The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let

1. ### calculus

The length of a rectangle is decreasing at the rate of 2 cm/sec, while the width w is increasing at the rate of 3 cm/sec. At what rate are the lengths of the diagonals changing at the instant that l=15 cm and w= 8 cm? Are the

2. ### Math

Starting from 105 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is traveling at a constant rate of 35 feet per second. The distance between the bicycle and the checkpoint is given by the

3. ### calc

A ladder 54 feet tall is place against a tall building. The bottom of the ladder is sliding away from the building horizontally at a rate of 5 feet/sec. Find the rate at which the indicated angle, θ , is changing when the angle

4. ### Calc

If f(x)= sec x, find f"(Pi/4) I am not sure how to take the 2nd derivative? f'(x)= sec x tan x f"(x)=??? Is it f"(x)= (sec x tan x)(sec^2x)??? Please Help!