Home
Class 11
MATHS
If theta+phi=45^(@),prove that (cot thet...

If `theta+phi=45^(@)`,prove that `(cot theta-1)(cotphi-1)=2`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3( e)Long Answer type Question-II|4 Videos

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3( f)Short Answer type Question|5 Videos

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3( e) Short Answer type Question|7 Videos

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise Chapter test|12 Videos

Similar Questions

Explore conceptually related problems

If 0+phi=45^(@) ,prove that: (1+"tan" theta)(1+"tan" phi)=2 .

If sin(theta+alpha)=n sin(theta-alpha) , prove that cot theta=(n-1)/(n+1) cot alpha .

If cos(theta+phi)= mcos(theta-phi) , then prove that tan theta=(1-m)/(1+m)cotphi .

if tan theta+tan phi=x and cot theta+cot phi=y prove that cot(theta+phi)=(1)/(x)-(1)/(y)

If 3tan theta tan phi=1. Prove that 2cos(theta+phi)=cos(theta-phi)

If 3tan theta tan phi=1, then prove that 2cos(theta+phi)+cos(theta-phi)=0

If tan^(2)theta=2tan^(2)phi+1, prove that cos2 theta+sin^(2)phi=0

If csc theta=x+(1)/(4x) prove that csc theta+cot theta=2x or (1)/(2x)

If cos ec theta+cot theta=p, then prove that cos theta=(p^(2)-1)/(p^(2)+1)

cot(45+theta)cot(45-theta)=