English

Cos2θ(1 + tan2θ) = 1 - Mathematics 2 - Geometry [गणित २ - भूमिती]

Advertisements
Advertisements

Question

cos2θ(1 + tan2θ) = 1  

Sum

Solution

डावी बाजू = cos2θ(1 + tan2θ) 

= cos2θ . sec2θ .....[∵ 1 + tan2θ = sec2θ]

= cos2θ . `1/cos^2θ` ....`[∵ secθ = 1/cosθ]`

= 1

= उजवी बाजू

∴ cos2θ(1 + tan2θ) = 1   

shaalaa.com
त्रिकोणमितीय नित्यसमानता
  Is there an error in this question or solution?
Chapter 6: त्रिकोणमिती - सरावसंच 6.1 [Page 131]

APPEARS IN

Balbharati Geometry (Mathematics 2) [Marathi] 10 Standard SSC Maharashtra State Board
Chapter 6 त्रिकोणमिती
सरावसंच 6.1 | Q 6. (2) | Page 131
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×