Home
Class 10
MATHS
[" 65.If "cos(theta-60^(@)),cos theta,co...

[" 65.If "cos(theta-60^(@)),cos theta,cos(theta+60^(@))" are in H.P then "cos theta=],[[" 1) "+-(2)/(sqrt(3))," 2) "+-sqrt((2)/(3))," は "quad " 3) "+-(sqrt(3))/(2)," 4) "]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If cos(theta-alpha),cos(theta),cos(theta+alpha) are in H.P. then costheta.secalpha/2

If cos(theta-alpha),cos theta,cos(theta+alpha) are in H.P. then cos theta.(sec(alpha))/(2)=

If cos (theta - alpha) , cos theta , cos (theta + alpha ) are in H.P. then cos theta .sec"" (alpha )/(2) =

If cos(theta-phi),cos(theta),cos(theta+phi) are in HP, the the value of cos(theta)sec((phi)/(2)) is

If : sin (theta - 30^(@))+cos (theta - 60^(@))=k * sin theta, "then" : k=

If cos(theta-phi) , cos(theta) , cos(theta+phi) are in HP, the the value of cos(theta)sec(phi/2) is

If cos theta=-cos theta, then theta is

cos theta cos (60^(@) + theta ) * cos (60^(@) - theta ) =