Show that 3cos-4cos3 = 0, Mathematics

Assignment Help:

If sin? =  1/2 , show that 3cos?-4cos3? = 0.

Ans:    Sin ? = ½

⇒ ? = 30o

Substituting in place of ? =30o. We get 0.

 


Related Discussions:- Show that 3cos-4cos3 = 0

Types of relation, Relations in a Set: Let consider R be a relation fro...

Relations in a Set: Let consider R be a relation from A to B. If B = A, then R is known as a relation in A. Thus relation in a set A is a subset of A ΧA. Identity Relation:

Trig functions:, Trig Functions: The intent of this section is introducing...

Trig Functions: The intent of this section is introducing you of some of the more important (from a Calculus view point...) topics from a trig class.  One of the most significant

Decimals, what is 0.875 of 2282?

what is 0.875 of 2282?

Decision trees and sub sequential decisions, Decision Trees And Sub Sequent...

Decision Trees And Sub Sequential Decisions A decision tree is a graphic diagram of different decision alternatives and the sequence of events like if they were branches of a t

Shares and dividend, want to make an assignment on shares and dividend for ...

want to make an assignment on shares and dividend for class 10

Polynomials, give an example of a binomial of degree 27?

give an example of a binomial of degree 27?

What were her sales for the month of may of medical supplies, Kim is a medi...

Kim is a medical supplies salesperson. Each month she receives a 5% commission on all her sales of medical supplies up to $20,000 and 8.5% on her total sales over $20,000. Her tota

Funtions, find the no of solution of 2*3*4*5*6*6

find the no of solution of 2*3*4*5*6*6

How many miles did she average per day, Katie ran 11.1 miles over the last ...

Katie ran 11.1 miles over the last three days. How many miles did she average per day? To ?nd out the average number of miles, you should divide the total number of miles throu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd