Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
UNITED BOOK HOUSE-TIRTHAPATI INSTITUTION -EXERCISE
- If x costheta+ysintheta=xcosphi+ysinphithen show that y=x tan ((theta+...
Text Solution
|
- IF 2 costheta=x+1/xthen show that 2 cos3 theta=x^3+1/x^3
Text Solution
|
- Find the value of sin (221//2^@) with the help of the value of cos45^@
Text Solution
|
- tan25^@=a prove that (tan155^@-tan115^@)/(1+tan155^@.tan115^@)=(1-a^2)...
Text Solution
|
- Prove that,cos(pi/5)-cos((2pi)/5)=1/2
Text Solution
|
- By the principle of mathematical induction prove that (5^(2n)-1)is alw...
Text Solution
|
- IF x=a+bw+cw^2,y=a+bw^2+cwthen show that x^3+y^3=(2a-b-c)(2b-c-a)(2c-a...
Text Solution
|
- If the roots of the quadratic equation a(b-c)x^2+b(c-a)+c(a-b)=0be eq...
Text Solution
|
- Prove that (AcupB)^c=A^c capB^c[without venn-diagram]
Text Solution
|
- If sinx-siny=a and cosx+cosy=b,prove that tan((x+y)/2)=+-sqrt((4-a^2-b...
Text Solution
|
- Mathematically find the value of sin18^@
Text Solution
|
- Show that cos(pi/11)cos((2pi)/11)cos((3pi)/11)cos((4pi)/11)cos((5pi)/1...
Text Solution
|
- If cosx+cosy+cosz=0and sinx+siny+sinz=0then show that cos(x-y)+cos(y-z...
Text Solution
|
- If z=x+iy and |2z-1| =|z-2|then prove that x^2+y^2=1
Text Solution
|
- If the two roots of the quadratic equation ax^2+bx+c=0and alphaand bet...
Text Solution
|
- For any three sets A,B,C prove by the formulae of set algebra that (Ac...
Text Solution
|
- By the principle of mathematical induction prove that 1+2+3+4+…n=(n(n+...
Text Solution
|
- Prove that tan1^@tan2^@tan3^@...tan88^@tan89^@=1
Text Solution
|
- Show that tan50^@=tan40^@+2tan10^@
Text Solution
|
- Show that sqrt3/(sin20^@)-1/(cos20^@)=4
Text Solution
|