Similar Questions
Explore conceptually related problems
CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If sin2theta=cos3theta"and"theta is an acute angle, then sintheta equa...
Text Solution
|
- With usual notations, in triangle A B C ,acos(B-C)+bcos(C-A)+c"cos"(A-...
Text Solution
|
- 3(sintheta-costheta)^4+6(sintheta+costheta)^2+4(sin^6theta+cos^6theta)...
Text Solution
|
- If tantheta=sqrt n, where n in N, >= 2, then sec2theta is always (a)...
Text Solution
|
- The value of cosy cos(pi/2-x)-cos(pi/2-y)cosx+sinycos(pi/2-x)+cosxsin(...
Text Solution
|
- If P is a point on the altitude AD of the triangle ABC such the /C B P...
Text Solution
|
- If theta1 and theta2 are two values lying in [0,2pi] for which t a n...
Text Solution
|
- If tantheta=-4/3,then sintheta is
Text Solution
|
- Let ABC be a triangle with /A=45^0dot Let P be a point on side BC with...
Text Solution
|
- If costheta-sintheta=1/5, where 0 lt theta lt pi/4, then Column I Colu...
Text Solution
|
- One of the general solutions of sqrt(3) cos theta-3 sin theta=4 sin 2 ...
Text Solution
|
- Let theta in ( 0, pi/4) and t1 = (tan theta)^(tan theta),t2 = (tan th...
Text Solution
|
- Sum of roots of the equation x^4-2x^2sin^2(pix/2)+1=0 is 0 (b) 2 ...
Text Solution
|
- Let n be a positive integer such that sinpi/(2n)+cospi/(2n)=(sqrt(n))/...
Text Solution
|
- Let O be the circumcenter, H be the orthocentre, I be the incenter, an...
Text Solution
|
- sec^2theta=4xy/(x+y)^2 is true if and only if
Text Solution
|
- Prove that in a A B C ,sin^2A+sin^2B+sin^2C<=9/4dot
Text Solution
|
- The number of solution of the pair of equations 2sin^2theta-cos2theta=...
Text Solution
|
- The rational number which equals the number 2. 357 with recurring de...
Text Solution
|
- It (cos^4A)/(cos^2B)+(sin^4A)/(sin^2B)=1 then show that (cos^4B)/(cos^...
Text Solution
|