Question 83

The value of $$cos^{2}$$90°- $$sin^{2}$$90° is

Solution

Share

Cos 90 = 0

sin 90 = 1

So, the given expression is 0 - 1 = -1

Was this solution helpful?

Get AI Help

Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.

Enroll Now
Ask AI