Home
Class 12
MATHS
If tan^(2) A= 2 tan ^(2) B+1, "then " co...

If `tan^(2) A= 2 tan ^(2) B+1, "then " cos 2A + sin^(2)B = `

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 D ( TRANSFORMATIONS )|94 Videos

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 E ( TRIGONOMETRIC IDENTITIES )|49 Videos

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 B ( COMPOUNDS ANGLES )|106 Videos

  • TRIGONOMETRIC EQUATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET - 4|4 Videos

Similar Questions

Explore conceptually related problems

If tan^(2) A= 2 tan ^(2) B+1, then 2 cos 2A + 1=

If tan A = 1//2 , tan B=1//3 " then " cos 2A=

If tan(A+B)=m , tan (A-B)=n, " then " tan 2A=

If 2 tan A=3 tan B , " then " tan (A-B)=

If 2 Cos^(2)B - 1 = Tan^(2) A then Cos A Cos B =

If 2 tan A + cot A = tan B , then cot A +2 tan (A-B)=

If 3 cot A = 4, check whether (1 - tan^2 A) / (1 + tan^2 A) = cos^2 A - sin^2 A or not.

If tan^(2)alpha tan^(2)beta+tan^2betatan^(2)lamda+tan^(2)lambdatan^(2)alpha+2tan^(2)alpha tan^(2) beta tan^(2)lamda = 1 then sin^2alpha+sin^2beta+sin^2lamda =