Text Solution
Verified by Experts
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
CENGAGE-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
- Prove that tan20^0tan40^0tan80^0=tan60^0
Text Solution
|
- If cottheta+tantheta=x and sectheta-costheta=y , prove that (x^2y)^(...
Text Solution
|
- The solution of the system of equations sinxsiny=(sqrt(3))/4,cosxcosy=...
Text Solution
|
- Find the least value of sec A+secB+secC in an acute angled triangle
Text Solution
|
- If in triangle A B ,cosAcosB+sinAsinBsinC=1. Show that a : b : c=1:1:s...
Text Solution
|
- Let f(x) = sin^6x + cos^6x + k(sin^4 x + cos^4 x) for some real numbe...
Text Solution
|
- Number of values of p for which equation sin^3x+1+p^3-3psinx=0(p >) ha...
Text Solution
|
- In A B C , prove that cosA+cosB+cosClt=3/2dot
Text Solution
|
- In a DeltaABC, the median to the side BC is of length 1/sqrt(11-6sqrt...
Text Solution
|
- If pcos e ctheta+qcottheta=2 and p^2cos e c^2theta-q^2cot^2theta=5 t...
Text Solution
|
- In a /\A B C , if tanA/2,tanB/2,tanC/2"are in"AdotPdot, then show t...
Text Solution
|
- With usual notion, if in triangle A B C , (b+c)/(11)=(c+a)/(12)=(a+b)...
Text Solution
|
- Solution of the equation sin(sqrt(1+sin2theta))=sintheta+costhetai s(n...
Text Solution
|
- 112. If in a Delta ABC, cosA+ cosB + cosc =3/2. Prove that DeltaABC is...
Text Solution
|
- Let alpha,beta,gamma>0a n dalpha+beta+gamma=pi/2dot Then prove that sq...
Text Solution
|
- The number of solution of sin^4x-cos^2xsinx+2sin^2x+sinx=0in0lt=xlt=3p...
Text Solution
|
- The exradii r1,r2 and r3 of /\A B C are in H.P. Show that its side...
Text Solution
|
- Solve 7cos^2theta+3sin^2theta=4
Text Solution
|
- If sintheta+costheta=1/5"and"0 le theta ltpi, thentantheta is
Text Solution
|
- In A B C Prove that cos^2A/2+cos^2B/2+cos^2C/2lt=9/4dot In cos^2A/2...
Text Solution
|