Register
Using the unit circle determine the sine cosine and the tangent functions of the angle -pi/6
42.1k views
3 votes
Using the unit circle determine the sine cosine and the tangent functions of the angle -pi/6

User Stanleyerror
by
5.1k points

1 Answer

3 votes
This angle is in the 4th segment so only the cosine is positive

cos pi/6 = sqrt3/2 os cos -pi/6 = sqrt3/2 also

sin -pi/6 = -0.5

tan -pi/6 = -1 / sqrt3 = - sqrt3/3
User Duana
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.0m questions

7.8m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Ten gallons of paint were poured into two containers of different sizes. Use one variable to express the amount poured into each container
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
Link Copied!