Show that tan = 1/v3 , Mathematics

Assignment Help:

If 7sin2?+3cos2? = 4, show that tan? =   1/√3                      .

Ans:    If 7 Sin2? + 3 Cos2? = 4 S.T. Tan?  1/√3

7 Sin2? + 3 Cos2? = 4 (Sin2? + Cos2?)

⇒ 3 Sin2? = Cos2?

Sin 2? / Cos 2?  =   1/3

⇒ Tan2? = 1/3

Tan? =   1/√3

 


Related Discussions:- Show that tan = 1/v3

Help, I really need help with 30 60 90 right triangles and my last tutor di...

I really need help with 30 60 90 right triangles and my last tutor did not make sense to me so can you please help

Basic algebraic properties of real numbers, These can be expressed in...

These can be expressed in terms of two fundamental operations of addition and multiplication. If a, b and c are any three real numbers, then;     1.

Analysis, Ask question #Minimum 1Let X be a topological space, let p ? X, a...

Ask question #Minimum 1Let X be a topological space, let p ? X, and let F and ? be C-valued functions on X that are continuous at p. Then the functions F + ?, F?, |F|, ReF and ImF

Explain the decimal system in detail, Explain The Decimal System in detail?...

Explain The Decimal System in detail? A decimal, such as 1.23, is made up of two parts: a whole number and a decimal fraction. In 1.23, the whole number is 1 and the decimal fr

Evaluate the perimeter of the plot of land, Evaluate the perimeter of the p...

Evaluate the perimeter of the plot of land. a. 260 m b. 340 m c. 360 m d. 320 m To evaluate the perimeter, we must know the length of all sides. According to the dia

g ( x ) = 3sec ( x ) -10 cot ( x ) -differentiate , Differentiate followin...

Differentiate following functions.                   g ( x ) = 3sec ( x ) -10 cot ( x ) Solution : There actually isn't a whole lot to this problem.  We'll just differentia

MATH, I don''t understand so what is 3 (8-x);24-15

I don''t understand so what is 3 (8-x);24-15

Harmonic progression (h.p.), Three quantities a, b and c are said to ...

Three quantities a, b and c are said to be in harmonic progression if, In this case we observe that we have to consider three terms in o

Determine the probability - mean and standard deviation, The scores of stud...

The scores of students taking the ACT college entrance examination are normally distributed with a mean m = 20.1 and a standard deviation s = 5.8. A single student is selected a

Distinct eigenvalues –system solving, DISTINCT EIGENVALUES -SYSTEM SOLVING ...

DISTINCT EIGENVALUES -SYSTEM SOLVING : E xample Solve the following IVP. Solution : Therefore, the first thing that we must to do that is, get the eigenvalues

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