Question
If P . cos θ + Q . sin θ = 8 and P . sin θ - Q . cos θ = 5, what is the value of (P² + Q²)?
More Trigonometry Questions
- If sec(2A + B) = 2 and cos(A + B) = (1/√2) , find the value of {sec 2B + tan (A + B) } given that 0o < A, B < 90o
- In a triangle ABC, if 5∠A = 3∠B = 15∠C, then find the value of cosA + sin(C + 10 ° )
- If sin(A + B) = 1/2 and cos(A + 2B) = 1/√2, where 0° < A, B < 90°, then find the value of tan(2A).
- Find the value of the given trigonometric expression: (sin 22°cos 68° + cos²22°) × sin 30° + (cos 60°tan 45°) × sec 60°
- Evaluate the following: sin 50° × cos 20° − sin 20° × cos 50°
- Find the maximum value of 14 sin A + 24 cos A.
- If sec theta - tan theta = 1/2, then sec theta =
- What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
- If (tan 5y · tan y = 1), then find the value of (tan 6y).
- If sec²x + csc²x = 10, find the value of tan²x + cot²x.
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
