Question
The value of cos20° cos40° cos60° cos80°
More Trigonometry Questions
- If (sin 3A sec 6A = 1) , then what will be the value of cos 6A?
- If sin 2a = (5/9), then find the value of (sin a + cos a).
- The Value of (sin38˚)/(cos52˚) + (cos12˚)/(sin78˚) - 4cos²60˚ is
- If X = 15°, find the value of: sin²(4X) + cos²(3X) - tan²(2X)
- If sin5A = cos(2A+20°), then what is the value of A? Given that 5A is an acute angle.
- Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.
- Evaluate the following: cos 45° × cos 45° − sin 45° × sin 45°
- If secθ + tanθ = 3+√10, then the value of sinθ+cosθ is
- If X = 10°, find the value of: cos²(3X) + sin²(6X) - tan²(3X)
- which of the following is equal to [(tan θ +secθ -1)/ (tanθ-secθ +1)]
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)