Practice problems of the angle - page 2 of 54

Number of problems found: 1077

Little hand
What angle shifted the little hand on the clock after one hour and 38 minutes?
Cotangent
If the angle α is acute, and cotan α = 1/3. Determine the value of sin α, cos α, and tan α.
Cis notation
Evaluate multiplication of two complex numbers in cis notation: (6 cis 120°)(4 cis 30°) Write the result in cis and Re-Im notation.
The sum 11
The sum of the measures of two angles is 89°. One angle has a measure of 64°. What is the measure in degrees of the second angle?
The temperature 11
The temperature on Sunday was 4°C. The temperature dropped eight °C on Monday and twice as much on Tuesday. What was the temperature on Tuesday?
Complementary angles
Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?
Clocks 5511
What angle do the clocks make at 4:30?
The temperature 27
The temperature in Chicago was –12°C. For 4 hours, the temperature rose 3°C every hour. What was the temperature after 4 hours?
Goniometric form
Determine the goniometric form of a complex number z = √ 110 +4 i.
Arc
Convert to arc measures (radians): 919 ° The result write as a multiple of π
Calculate 39313
The road rises by 8 m to 2000 m. Calculate its ascent in per mille.
One angle
One angle is 10 degrees more than four times the measure of the other angle. Together they have a sum of 120 degrees. What is the measure of each angle?
A straight angle
A straight angle measures s, so you can subtract or add 85 from. What is the measure of their angles?
Difference 2435
Calculate the sum and difference of the alpha and beta angles. Alpha = 60 ° 30 ', beta = 29 ° 35'.
The present
The present temperature is 32°. After some time, it will be increased by + 5° What will be the temperature then?
Minus temperature comparing
At 12:00 PM, the temperature was –25°F. At 8:00 PM, the temperature was –14°F. Did the temperature rise or fall? ...
Diamond-air 27221
Find the cut-off angle for the diamond-air pair. n_d = 2.42 α_m =? The absolute refractive index of light for air n = 1
Temp drop
It is 70°F ‬, and the temperature is expected to drop to 85° in the next month. What is the temperature expected to be?
Subtracting Fahrenheit
On a certain day, the high temperature in city A was 86°F. On the same day, the high temperature in city B was -24°F. What was the difference in temperature between city A and city B?
Overnight change
It was 13°C yesterday, but the temperature changed by -18.6° overnight. What is the temperature now?

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