Question
Who pioneered the development of electroencephalography?
Solution
Hans Berger, a German psychiatrist, made a groundbreaking discovery with the development of electroencephalography in 1929. This technique, which records electrical activity in the brain, has become crucial in diagnosing and understanding neurological conditions.
What is the value of 4/3 (sin ² 65 º + sin ² 25 º ).
- Determine the value of :
If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
Simplify the given equation:
What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
...Find the simplified value of:
What is the value of cos75°?Â