Home
Class 11
MATHS
If (sin^(4)theta)/(a)+(cos^(4)theta)/(b)...

If `(sin^(4)theta)/(a)+(cos^(4)theta)/(b)=(1)/(a+b),` then which one ofhte following is incorrect?

A

`(sin ^(4) theta)/( a ^(2))=(cos ^(4) theta)/( b ^(2))`

B

`(sin ^(4) theta)/( b ^(2) ) = (cos ^(4) theta)/(a ^(2))`

C

`sin ^(4) theta = (a ^(2))/( (a+b)^(2))`

D

`(sin ^(8) theta )/( a ^(3)) +(cos ^(8) theta)/( b ^(3)) =(1)/((a+b)^(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|33 Videos

  • TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES

    TARGET PUBLICATION|Exercise EVALUATION TEST|12 Videos

Similar Questions

Explore conceptually related problems

If cos5 theta=a cos^(5)theta+b cos^(4)theta+c cos^(3)theta+d cos^(2)theta+e cos theta then which of the following is incorrect? (i)a=16(ii)b=5(iii)c=-20(iv)e=

If "cot"theta(1+"sin"theta)=4mand"cot"theta(1-"sin"theta)=4n , then which one of the following is correct ?

If sin^(4) theta+cos^(4)theta=(1)/(2) , then find sin theta cos theta .

If (sin^(4)theta)/(a)+(cos^(4)theta)/(b)=(1)/(a+b), then (sin^(8)theta)/(a^(3))+(cos^(8)theta)/(b^(3))=

If (sin^(4)theta)/(a)+(cos^(4)theta)/(b)=(1)/(a+b), prove that (sin^(8)theta)/(a^(3))+(cos^(4)theta)/(b^(3))=(1)/((a+b)^(3))(sin^(4n)theta)/(a^(2n-1))+(cos^(4n)theta)/(b^(2n-1))=(1)/((a+b)^(2n-1)),n in N

If sin^(2)theta_(1)+sin^(2)theta_(2)+sin^(2)theta_(3)+sin^(2)theta_(4)=0 then which of the following cannot be the value of cos theta_(1)+cos theta_(2)+cos theta_(3)+cos theta_(4)

sin^(4)theta+cos^(4)theta=1-2sin^(2)theta cos^(2)theta

If A=sin theta+ cos theta and B=sin theta - cos theta , then which of the following is true ?

If =a(1+cos theta cos phi),y=b(1+cos theta sin phi) and z=c(1+sin theta) then which of the following is correct

(cos theta)/(1-sin theta) - (cos theta)/(1+sin theta) = 2 is satisfied by which one of the following values of theta ?