Question

If cot theta =1/ root3 , show that 1-cos² theta by 2-sin²theta =3/5​

Answer 1

Answer:

Request a call back

User profile image

Login /

Sign Up

Home

Class 1 to 12

JEE

NEET

Doubt and Solutions

Textbook Solutions

Board Papers

Sample Papers

Pricing

Diagnostic Test

B2B Partners

Franchisee

Topper TV

Topperlearning

CBSE Class 10 - Ask The Expert

Answered

if cot theta =1/root3 then show that 1-cos^2theta/2-sin^2theta=3/5

Asked by | 20th Aug, 2012, 07:27: PM

Expert Answer:

cot theta = 1/root 3

This gives,

sin theta = root 3/ 2 and cos theta = 1/2

Therefore, we have:

(1-cos^