Question
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
= 36.5More Trigonometry Questions
- If sin A = √3/2, then what will be the value of sec² A?
- 2 × Tan 30° / (1 + Tan2 30°) equals:
- Simplify the following trigonometric expression: 9 sin 36° csc 54° − 7 tan 47° cot 43°
- If tanθ – cotθ = a and cosθ + sinθ = b, then (b2 –1)(a2 + 4) = ?
- which of the following is equal to [(tan θ +secθ -1)/ (tanθ-secθ +1)]
- Find the maximum value of (10sin A + 24cos A).
- Evaluate the following: sin 25° × cos 65° + sin 65° × cos 25°
- If sec A + tan A = 4 and sec A - tan A = (1/4), find the value of cos A.
- Question 9
- Find the value of the given expression. 5 × (cos 60°)
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
