Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • If cos theta =4/5then find the value of tan theta.   

If cos theta =4/5then find the value of tan theta. 

 

Answers (1)

best_answer

\begin{aligned} &\cos \theta=\frac{4}{5}\\ &\sin ^2 \theta+\cos ^2 \theta=1 \end{aligned}

\sin ^2 \theta=1-\cos ^2 \theta=1-\left(\frac{4}{5}\right)^2=1-\frac{16}{25}=\frac{9}{25} \Rightarrow \sin \theta=\frac{3}{5}

\tan \theta=\frac{3 / 5}{4 / 5}=\frac{3}{4}

Posted by

Divya Sharma

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 10 result 2026 soon; steps to create DigiLocker account to download marksheet
anam-khan

CBSE Class 10 Result 2026 Date LIVE: CBSE 10th scorecard soon on cbse.gov.in, DigiLocker, Umang
anam-khan

CBSE mandatory 3rd language rule leaves Sanskrit as only R3 option at many pvt English-medium schools

Latest Question