Question
If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
More Trigonometry Questions
- If cos θ + sec θ = √2, then the value of cos³ θ+ sec³ θ is:
- If cos θ = (4x² – 1)/(1 + 4x²) then find the value of sin q.
- If sin (a + b) = (√3/2) and cos (a – b) = (√3/2), then find sin a.
- tan 4˚ × tan 43˚ × tan 47˚ × tan 86˚ = ?
- If sin A = √3/2, then what will be the value of sec² A?
- Calculate the maximum and minimum value of (8cosA + 15sinA + 15), if 'q' lies in the first quadrant.
- If sin A = 1/2, then what will be the value of cot² A?
- What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?
- If X = 15°, find the value of: sin²(3X) + cos²(4X) - tan²(2X)
- Question 10
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
