amandasan98 amandasan98

18-03-2017
Mathematics

contestada

Use the fundamental identities to simplify the expression.
3tan(-x)cosx

Respuesta :

jimthompson5910 jimthompson5910

18-03-2017

The identities we'll use are

tan(-x) = -tan(x)
tan(x) = sin(x)/cos(x)

which allows us to say...

3*tan(-x)*cos(x)
3*(-tan(x))*cos(x)
-3*tan(x)*cos(x)
-3*(sin(x)/cos(x))*cos(x)
-3sin(x)

The final answer is -3sin(x)

Answer Link

Otras preguntas

An igneous rock sample is about 250,000 years old. Would you use uranium-lead radiometric dating to find its age?

You can sell 80 pet chias per week if they are marked at $1 each, but only 50 each week if they are marked at $2/chia. Your chia supplier is prepared to sell yo

During the era of dual federalism, what was the primary goal of the federal government's domestic policies? to promote competition between the states to promote

She was by her younger sister. a)looked down b)overshadowed c)overstreched

How can I use auditory in a sentence using figurative language

what is productivity

A rectangle is inscribed in a right isosceles triangle, such that two of its vertices lie on the hypotenuse, and two other on the legs. What are the lengths of

The nurse is caring for a client with a serum sodium concentration of 113 meq/l (113 mmol/l). the nurse should monitor the client for the development of which c

Do objects weigh more on planets that are closer to the Sun compared with planets farther from the Sun

Derek has 52.50 he can spend up to 1/3 of his money on school supplies how much money can Derek spend on school supplies