Similar Questions
Explore conceptually related problems
CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- show that (sinx)/(cos3x)+(sin3x)/(cos9x)+(sin9x)/(cos27x)=1/2(tan27x-t...
Text Solution
|
- If theta=3alphaand sintheta=a/(sqrt(a^2+b^2)), the value of the expres...
Text Solution
|
- The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/...
Text Solution
|
- In triangle A B C , if angle is 90^0 and the area of triangle is 30 sq...
Text Solution
|
- If sqrt(2)cos A=cos B+cos^3B ,a n dsqrt(2)sinA=sinB-sin^3B then sin(A...
Text Solution
|
- In a right angled triangle the hypotenuse is 2sqrt(2) times the perpe...
Text Solution
|
- A circular ring of radius 3 cm hangs horizontally from a point 4 cm ve...
Text Solution
|
- If tanbeta=2sinalphasingammacos e c(alpha+gamma), then cotalpha,cotbe...
Text Solution
|
- tan9^@-tan27^@-tan63^@+tan81^@ is equal to
Text Solution
|
- Let x=sin1^0, then the value of the expression. 1/(cos0^0dotcos1^0)+...
Text Solution
|
- If (tan3A)/(tanA)=k(k!=1) then which of the following is not true?
Text Solution
|
- If x in (pi,(3pi)/2),then 4cos^2(pi/4-x/2)+sqrt(4sin^4x+sin^2 2x) is ...
Text Solution
|
- If cosx=(2cosy-1)/(2-cosy), where x , y in (0,pi) then tan(x/2)xxcot(y...
Text Solution
|
- If theta is eliminated from the equations x=a"cos"(theta-alpha) and y=...
Text Solution
|
- If tanx=b/a , then sqrt((a+b)/(a-b))+sqrt((a-b)/(a+b)) is equal to (...
Text Solution
|
- Given that (1+sqrt(1+x))tany=1+sqrt(1-x) . Then sin4y is equal to (a...
Text Solution
|
- If cos2B=(cos(A+C))/("cos"(A-C)), then tanA ,t a n B ,tanC are in (a...
Text Solution
|
- If ("cos"(x-y))/("cos"(x+y))+("cos"(z+t))/(cos(z-t))=0 , then the val...
Text Solution
|
- For all theta in [0,pi/2] show that cos(sintheta)gtsin(costheta)
Text Solution
|
- Given alpha+beta-gamma=pi, prove that sin^2alpha+sin^2beta-sin^2gamma...
Text Solution
|