English

`Sin^2 Theta + 1/((1+Tan^2 Theta))=1`

Advertisements
Advertisements

Question

`sin^2 theta + 1/((1+tan^2 theta))=1`

Advertisements

Solution

LHS=  `sin^2 theta + 1/((1+ tan^2 theta))`

     =` sin^2 theta + 1/(sec^2 theta)     (∵ sec^2 theta - tan^2 theta =1 )`

    = `sin^2 theta + cos^2 theta`

    = 1

   =RHS

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Trigonometric identities - Exercises 1

APPEARS IN

R.S. Aggarwal Mathematics [English] Class 10
Chapter 13 Trigonometric identities
Exercises 1 | Q 3.1
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×