MrPineapple277 MrPineapple277

14-02-2019
Mathematics

contestada

Sarah used her calculator to find tan(122˚) She wrote down an answer of 0.34. How could Sarah recognize that her answer is incorrect

Respuesta :

MrBillDoesMath MrBillDoesMath

14-02-2019

Hello from MrBillDoesMath!

Answer:

The angle 122 is in the second quadrant where sin is positive and cos is negative. Hence the ratio sin\cos (aka tan) should be a negative number. But 0.34 is positive so something is incorrect.

Thank you,

MrB

Answer Link

Otras preguntas

If item costs $99.99 with 15% off and I get final price. It then asks me what percentage of savings. How do I get the percentage of savings

the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt

Explain why the railroads were not built in a straight line from east to west.

At a store , 24 bottles of water and 6 bags of chips costs $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle o

What's an equivalent fraction for 10 15 by dividing

what is 20% of $45.00?

Substitution how do u do it??

how do you now 11/33 is a simplest form

What does imagery mean

how does the carbon cycle work in the desert