Home
Class 11
MATHS
Prove that tan225^@ cot405^@+tan675^@ co...

Prove that `tan225^@ cot405^@+tan675^@ cot315^@=2`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|167 Videos

Similar Questions

Explore conceptually related problems

Prove that tan70^@=tan20^@+2tan50^@

Show that tan 15^@ + cot 15^@ = 4

Prove that tan 70^@ = tan 20^@ + 2 tan 50^@ .

Prove that tan20^(@)tan40^(@)tan80^(@)=tan60^(@) .

Given that three numbers a,b,c are in G.P.If b^2=ac Prove that cot^2 30^@ , cot^2 45^@ , cot^2 60^@ are in G.P.

Prove that sinA/(1+cosA)=tan(A/2)

Prove that cotx cot2x -cot2xcot3x-cot3xcotx=1

Prove that cottheta-tantheta=2cot2theta .

Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=tan3thetatantheta .

Prove that tan 3x=(3tanx-tan^3x)/(1-3tan^2x)