CTEVT Prep
Course
Practice
Question Bank
Mock Test
Papers
Guidance
AI Assist
Log In
Sign Up
Trigonometry
easy · Past Paper
Questions
Mathematics
Trigonometry
Trig Ratios
If cos theta = 1, what is the value of theta in degrees?
A
30
B
60
C
90
D
0
✓ Correct Answer: D — 0
The cosine of 0 degrees is 1.
Share this question
WhatsApp
Twitter / X
Copy Link
More from Trigonometry
The expression (1/cos^2(x)) - (1/cot^2(x)) simplifies to:
Which of these is the same as sin 90?
Simplify (sin 5A - sin 3A) / (cos 5A + cos 3A).
Which of these ratios is undefined at 90 degrees?
If cos A + cos^2 A = 1, find the value of sin^2 A + sin^4 A.