Question
If cos4 p - sin4 p = , then the value of 2 cos2 p - 1 is
More Trigonometry Questions
- If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
- If tan theta = 8/15 and theta is acute, then sec theta is:
- If cosB = sin(1.5B - 15°), then find the measure of 'B'.
- If sin (a + b) = (√3/2) and cos (a – b) = (√3/2), then find sin a.
- If (tan 6a · tan 3a = 1), then find the value of (tan 9a).
- If sin 2a = (7/9), then find the value of (sin a + cos a).
- Solve the following trigonometric expression:
- If cos θ + sec θ = √5, then the value of cos³ θ+ sec³ θ is:
- If α means +, β means -, ɣ means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is
- If cos4 B - sin4 B = , then the value of 2 cos2 B - 1 is
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
(cos2 p + sin2 p)(cos2 p - sin2 p) =