Simplify. (No fractions in this answer)
Simplify.
Simplify.
Simplify.
Find the exact value
y=
Find the exact value
Find the exact value
Evaluate the expression. Give exact answers.
Evaluate the expression. Give exact answers.
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
x= put a comma space if more than one answer
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
Hint: you have to know an identity from last unit for this! THIS IS A CHALLENGE PROBLEM
x= put a comma space if more than one answer
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
x= put a comma space if more than one answer
An electronic thermostat controls the temperatuce in an office. The temperatures vary according to the sinusoidal function
where y is the temperature (°C) and x is the time in hours past midnight.
Use this information for 23-25
What is the temperature in the office at 9 A.M. when employees come back to work?
Make sure °C is in your answer
What is the maximum temperature in the office?
Graph and analyze for maximum. Make sure you are in the correct mode.
Make sure °C is in your answer
What is the minimum temperature in the office?
Graph and analyze for minimum. Make sure you are in the correct mode.
Make sure °C is in your answer
Find an equation for the following: A mass on the end of a spring is at rest 120 cm above the ground. It is pulled down 50 cm and released at t=0.
Given: the period=π/5
Hint: which trig function does NOT star at the origin?
y=
Use the equation from #26 to find the height of the mass after 4 seconds. Round to the nearest tenth.