Question
If 7sin² ϕ + 3cos² ϕ = 4, then find the value of ϕ ?
More Trigonometry Questions
- sin1440° - cot630° - sin120°cos150° is equal to:
- If sin A - cos A = 3/7, then find value of sinA + cos B, where A is an acute angle.
- If sin(3θ) = cos(2θ), then find the value of θ between 0 and 90 degrees.
- If sin(A + B) = 1/2 and cos(A + 2B) = √3/2, where 0° < A, B < 90°, then find the value of tan(2A).
- Find the value of `1/2` cosec 10 - `2/(cosec 70)` ?
- Two buildings are 40 meters apart. The height of one building is 20 meters. From the top of the shorter building, the angle of elevation of the top of the ...
- If cos4B = sin(B - 10°), then find the measure of 'B'.
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.
- tan 4˚ × tan 43˚ × tan 47˚ × tan 86˚ = ?
- The minimum value of 45 sin2 θ + 28 cos2 θ 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