Question
If 64 # 98 = 96 and 37 # 67 = 63, then 44 # 95 =
?Solution
(6 x 4) + (9 x 8) = 24 + 72 = 96 (3 x 7) + (6 x 7) = 21 + 42 = 63 (4 x 4) + (9 x 5) = 16 + 45 = 61
Simplify the following trigonometric expression:
10 cos19∘ sec19∘ − 4cot28∘ tan28...
Simplify the following trigonometric expression:
8 cos 40° cosec 50° − 2 cot 30° cot 60°
Find the value of the given trigonometric expression:
(sin 15°cos 75° + cos²15°) × sin 30° + (cos 60°tan 45°) × sec 60°
...- If cosec [180° − (3q/2) ] = √2, 0° < q < 90°, then find the value of {(2/√3) X cos q - 4 cos 3q}.
- Simplify the following trigonometric expression:
15 cos 27° sec 63° − 9 cot 61° tan 29° - If cot A = √3, then what will be the value of cosec⁴ A?
If √3cosec 2x = 2, then the value of x:
- If sec A = 2, then what will be the value of sin² A?
What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?