Show that tan = 1/v3 , Mathematics

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

 

Posted Date: 4/9/2013 1:08:46 AM | Location : United States







Related Discussions:- Show that tan = 1/v3 , Assignment Help, Ask Question on Show that tan = 1/v3 , Get Answer, Expert's Help, Show that tan = 1/v3 Discussions

Write discussion on Show that tan = 1/v3
Your posts are moderated
Related Questions
what number does not belong 43,47,53,59,65,67

The low temperature in Anchorage, Alaska today was negative four degrees. The low temperature in Los Angeles, California was sixty-three degreees. What is the difference in the two

f Y is a discrete random variable with expected value E[Y ] = µ and if X = a + bY , prove that Var (X) = b2Var (Y ) .



round 200 to nearest hundreds

three times the first of the three consecutive odd integers is 3 more than twice the third integer. find the third integer.

Integrals Involving Roots - Integration Techniques In this part we're going to look at an integration method that can be helpful for some integrals with roots in them. We hav

Find x and y in each paarallelogram.

i need ten points about limitation of operation research