Precalculus

Which of the following are trigonometric identities? Select all that apply (there are 3 answers).
A cos^2(theta)=sin^2(theta)-1
B sin(theta)=1/csc(theta)
C sec(theta)=1/cot(theta)
D cot(theta)=cos/sin(theta)
E 1+cot^2(theta)=csc^2(theta)

  1. 👍
  2. 👎
  3. 👁
  1. The correct relations are listed in your textbook or in your notes.
    They are easy to look up

    Let me know which ones you think do apply.

    1. 👍
    2. 👎
  2. There is no textbook for this course.

    1. 👍
    2. 👎
  3. But I believe it's B, C and D

    1. 👍
    2. 👎
  4. Only B is correct in your choices.

    What are your resources for this major topic if you don't have a textbook ?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Inverse Functions - Precalc

    Which of the following functions are one-to-one? Select all that apply (theres three right answers) a) f(x)= x-1/3x+3 b) f(x) = srt5x+9 c) f(x) = 7/4x^2 d) f(x) = 1/2x^3 e) f(x) = 3x^4+7x^3 I don't really understand what

  2. English

    For questions 7-10, identify the type of noun underlined in each sentence. 7. The AZTECS made sacrifices to their gods. (2 points) Select all that apply. Common. Proper. Compound. Collective. 8. A SWARM of insects surround the

  3. Trigonometry help

    If sin(x) = 1/3 and sec(y) = 13/12 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.) sin(x + y)

  4. social studies

    1. How does one become a citizen? Select all that apply A) A person is born in the united states. B) A person of foreign birth is granted citizenship after living in the u.s. for five years C) A person of foreign birth

  1. Math

    If sin(x) = 1/3 and sec(y) = 29/21 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.) cos(2y)

  2. Chemistry

    For each electron in a ground-state Be atom, select the set of quantum numbers that represents it. Check all that apply. n=1 l=0 ml=-1 ms= +1/2 n=1 l=0 ml=0 ms=-1/2 n=2 l=1 ml=0 ms= -1/2 n=1 l=0 ml=0 ms=+1/2 n=2 l=1 ml=1 ms=+1/2

  3. Math

    Which of the following pairs could represent a function? Select three that apply. A: {(2,-5),(4,-5), (6,2), (8,3)}** B: {(-1,5),(3,5),(6,5), (9,5)}** C: {(3,-4),(5,2), (3,8), (6,7)} D: {(0,3), (4,2),(-1,7), (0,3)} E:

  4. Algebra

    1. Which best describes your ability to work with exponents? 2. Which best describes your participation in discussions about math problems or topics? 3. Which of these skills do you think you could teach someone else? Select all

  1. Social Studies - Religion

    Identify which of the following are key teachings of Judaism. Select all that apply. a.) Righteousness b.) Observe the Sabbath c.) Love your neighbor d.) Slavery is forbidden e.) Do not make war My answers - C, A, E If someone

  2. calc

    3. the graph of a function F crosses the x-axis at -1 and 3 and touches the x-axis at 5. which equations could define this function select all that apply a- f(x)= (x+1)(x-3)(x-5) b- f(x)= (x+1)(x-3)(x-5)^2 c- f(x)=

  3. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 1. Which of the following are examples of applied art? Select all that apply. (2 points) a) architecture b) drawing c) industrial design d) sculpting My Answers: A and C Could

  4. Social studies

    Of the following choices which ones are considered democratic values? Select all that apply (2 answers) A. Serving in the military*** B. Honesty C. Patriotism D. Voting in an election***

You can view more similar questions or ask a new question.