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

Construct a tangent to a circle of radius, 1.  Draw a pair of tangents to a...

1.  Draw a pair of tangents to a circle of radius 2cm that are inclined to each other at an angle of 900. 2.  Construct a tangent to a circle of radius 2cm from a point on the c

Congruences, Suppose m be a positive integer, then the two integer a and b ...

Suppose m be a positive integer, then the two integer a and b called congurent modulo m ' if a - b is divisible by m i.e.  a - b = m where is an positive integer. The congru

Find the instantaneous rate, The time t required to test a computer memor...

The time t required to test a computer memory unit is directly proportional to the square of the number n of memory cells in the unit. For a particular type of unit, n = 6400

Graph for the sequence - sequences and series, Graph for the Sequence F...

Graph for the Sequence First we wish to think about the term graphing a sequence. To graph the sequence {a n } we plot the points {n, a n } as n ranges over every possible valu

Indices, what are the advantages and disadvantages of both Laspeyres and Pa...

what are the advantages and disadvantages of both Laspeyres and Paasche index

Angles, samuel left mauritius at 22:30 on saturday and travelled to london ...

samuel left mauritius at 22:30 on saturday and travelled to london (GMT) for 14h30min he had a stopover for 4 h in london and he continued to travel to toronto for another 6h20min

Find the value of p and q for which the system of equations, Find the value...

Find the value of p and q for which the system of equations represent coincident lines 2x +3y = 7, (p+q+1)x +(p+2q+2)y = 4(p+q)+1 Ans: a 1  = 2, b 1 = 3, c 1 = 7 a 2  =

What is the value of x in probability , A bag contains 8 red balls and x bl...

A bag contains 8 red balls and x blue balls, the odd against drawing a blue ball are 2: 5. What is the value of x?                                                               (An

Determine the probability - probability example, Consider two bags, A and B...

Consider two bags, A and B, with the following contents Bag A Bag B 3 white marbles 4 white marbles 2 red marbles

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