If `x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , then write the value of `1/x+1/y+

Показать описание

This is the Solution of Question From RD SHARMA book of CLASS 11 CHAPTER TRIGONOMETRIC RATIOS AND IDENTITIES This Question is also available in R S AGGARWAL book of CLASS 11 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free

#rdsharmasolution #TRIGONOMETRICRATIOSANDIDENTITIES #rdsharmaclass11 #class11 #cbse #rdsharma #doubtnut

==== QUESTION TEXT ====

If `x\\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , then write the value of `1/x+1/y+1/zdot`

=== DOWNLOAD DOUBTNUT TO ASK ANY MATH QUESTION ===

==== SCORE 100% WITH DOUBTNUT ====

Doubtnut App has video solutions of ALL the NCERT questions from Class 6 to 12 (including IIT JEE). You can also ask any Math question and get a video solution for FREE from a library of more than 1 Lakh Math Videos

==== FOLLOW US ON FACEBOOK ====

Doubtnut PAGE:

DOUBTNUT IIT JEE Group:

==== WATCH DAILY LIVE CLASSES ON YOUTUBE ====

5:30 PM - Class 9

6:30 PM - Class 10

7:15 PM - Class 11

8:15 PM - Class 12

9:15 PM - Class 13 (DROPPERS)

Рекомендации по теме

If `x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , then write the value of `1/x+1/y+

If `x*costheta=y*cos(theta+(2pi)/3)=2.cos(theta+(4pi)/3)` ,then evaluate `xy+yz+zx`.

If `xcostheta=ycos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , prove that `x y+y z+z x=0.`

If `x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , then write the value of `1/x+1/y+

If x cos θ = y cos (θ + 2π/3 ) = z cos ( θ + 4π/3), then find the value of xy + yz + zx #iitjee...

'If `x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)`, then write | Class 11 Maths | Doub...

If `x=ycos((2pi)/3)=zcos((4pi)/3)`, then xy+yz+zx=

If x=ycos((2pi)/(3))=zcos((4pi)/(3)),then what is xy + yz + zx equal to ? | 12 | TRIGONOMETRY - ...

If x.Cosθ=y.Cos(θ+2π/3)=z.Cos(θ+4π/3) Find value of 1/x+1/y+1/z

IIT JEE TRIGONOMETRIC FUNCTIONS If `x/(costheta)=y/(cos(theta-(2pi)/3))=z/(cos(theta+(2pi)/3))` ...

65Trigonometry Show that Cosβ + Cos(2π/3 + β) + Cos(4π/3 + β) = 0

If `x sintheta=ysin(theta+(2pi)/(3))=z sin(theta+(4pi)/(3)),` then

Find the solutions to a trig equation between 0 and 2pi

If 3 cos x+2 cos 3 x=cos y, 3 sin x+2 sin 3 x=sin y, then the value of cos 2 x is (A) -1 (B) 1/8 ...

If `asintheta=\'bsin\'(theta+(2pi)/3)=\'csin\'(theta+(2pi)/3)` , prove that `a b...

If a= b cos (2pi)/(3) = c cos (4pi)/(3), then the value of (ab+ bc +ca) is- | 12 | MCQ's | MATH...

If `a=b cos((2pi)/3)= c cos((4pi)/3),` then write the value o `a b+b c+c a`

Prove that all values of theta: `|(sintheta, costheta, sin2theta),(sin(theta+(2pi)/3)

`cos^2 3theta+betacos^4theta=16cos^6theta+9cos^2theta`

Find the greatest value of sin(theta).cos(theta) //KVS PGT MATH 2017

Let `f(theta) = 1/2 + 2/3 cosec^(2)theta + 3/8 sec^(2) theta`. The least value of `f(theta)`

If \( A \) lies in second quadrant and \( 3 \tan A+4=0 \), then the value of \( 2 \cot A-5 \cos ...

If `x_r = cos (pi/2^r) + i sin(pi/2^r) , z_t = cos(pi/3^t)+i sin (pi/3^t)` where `r= 1, 2

IIT JEE TRIGONOMETRIC FUNCTIONS If `sin(y+z-x),sin(z+x-y),'sin'(x+y-z)` are in A.P., then...

If `(costheta+isintheta)(cos2theta+isin2theta)…..(cosntheta+isinntheta)=1`, then

If `xcostheta=ycos(theta+(2pi)/3)=2.cos(theta+(4pi)/3)` ,then evaluate `xy+yz+zx`.