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

Marketing, In a 2500 word report do the market analysis of China. Under thi...

In a 2500 word report do the market analysis of China. Under this you have to explain: - What are the advantages and disadvantages for foreign company to set up its business cent

Arithmetic progression (a.p.), A series is said to be in Arithmetic...

A series is said to be in Arithmetic Progression (A.P.) if the consecutive numbers in the series differs by a constant value. This constant value is referre

What are the three sides of a right triangle, What are the Three Sides of a...

What are the Three Sides of a Right Triangle? Each side of a right triangle can be labeled opposite, adjacent, or hypotenuse, based on its relationship to the right angle and o

Cartesian product of sets, The Cartesian product (also called as the cross ...

The Cartesian product (also called as the cross product) of two sets A and B, shown by AΧB (in the similar order) is the set of all ordered pairs (x, y) such that x€A and y€B. What

Find the cost price of the toy, A dealer sells a toy for Rs.24 and gains as...

A dealer sells a toy for Rs.24 and gains as much percent as the cost price of the toy. Find the cost price of the toy. Ans:    Let the C.P be x ∴Gain = x % ⇒ Gain = x

Proper fractions, find all the kinds of fraction and give an 10 examples.

find all the kinds of fraction and give an 10 examples.

Consumer behaviour.., consumer behaviour in my feild of studies accounting ...

consumer behaviour in my feild of studies accounting ..

#According to the CDC there were 597, Ask question #Minimum 100 words acceA...

Ask question #Minimum 100 words acceAccording to the CDC there were 597,689 deaths in the US in 2010 attributed to heart disease. a) Given That the US population in 2010 was clos

Mode, What is the median for this problem (55+75+85+100+100)

What is the median for this problem (55+75+85+100+100)

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