CTEVT Prep
Practice
Question Bank
Mock Test
Papers
Guidance
AI Assist
Log In
Sign Up
Trigonometry
easy · Past Paper
Questions
Mathematics
Trigonometry
Trig Ratios
If θ = 90°, what is the value of cos θ?
A
1
B
0
C
-1
D
undefined
✓ Correct Answer: B — 0
cos 90° = 0.
Share this question
WhatsApp
Twitter / X
Copy Link
More from Trigonometry
If tan A = 1/2 and tan B = 1/3, what is the value of tan(A + B)?
Simplify: sin θ * sec θ
Evaluate: 2 sin^2 30 + 3 cos^2 30
If sin θ = 1, what is θ in the range 0° to 90°?
Find the value of 1 - cos² 30°.