# math

posted by .

list the possible valures of sin a if a is a quadrental angle

• math -

Wow, after 45 years of teaching math I just learned something new.
I had never heard of a quadrantal angle, had to look it up

take the sign of each of those angles and see what you get.

## Similar Questions

1. ### Math

calculus help needed example: sin-1(-1/2) how do you figure this out?
2. ### trignometry

use degree measure for your answers. use a calculator and round the results to one decimal place for (c) and (d) (a) in triangle ABC, sin B = square root of 2 all over 2. What are the possible values for angle B?
3. ### Calculus - Challenge question

Our teacher gave us this problem as a challenge. Some of us have been working on it for a few days help! Prove that the largest area of any quadrilateral is obtained when opposite angles are supplementary. Wow, what a classic and nice …
4. ### MATH

1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL STEPS) sin 2x - sin x = 0 2.) GIVEN: sin u = 3/5, 0 < u < ï/2 Find the exact values of: sin 2u, cos 2u and tan 2u using the double-angle formulas. 3.)Use …
5. ### math

A flagpole casts a shadow s feet long when the angle of elevation of the sun is a. Write an expression to find the height of the flagpole. The possible answers are: a. s/tan a b. s cos a c. s sin a d. s/sin a e. s tan a
6. ### Trigonometry

ABC is a non-degenerate triangle such that 2\sin \angle B \cdot \cos \angle C + \sin \angle C = \sin \angle A + \sin \angle B, what is the value of \lfloor 100 \frac {AC}{AB} \rfloor ?
7. ### Math

I already know the angle of Eastdale which is 45° due to the turn from due east to the northwest. So therefore so I need to find the measures of angle c and angle n. I can use the Law of Sines. sin‹C/c=sin‹E/e sin‹C/18=(√2/2)/12.7308 …
8. ### Math

It is possible to have an angle where sin A > 1. True or False
9. ### Math

An angle θ satisfies the relation csc θ cos θ = -1. A) Use the definition of the reciprocal trigonometric ratios to express the left side in terms of sin θ and cos θ. B) What is the relation between sin θ and cos θ for this …
10. ### Math

An angle θ satisfies the relation csc θ cos θ = -1. A) Use the definition of the reciprocal trigonometric ratios to express the left side in terms of sin θ and cos θ. B) What is the relation between sin θ and cos θ for this …

More Similar Questions