Question
12.052 + 36.15 × 25.45 – 124.15 × 15.05 =
? × 8.08 – 64.32 × 15.98 What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)Solution
ATQ, 12.052 + 36.15 × 25.45 – 124.15 × 15.05 = ? × 8.08 – 64.32 × 15.98 122 + 36 × 25 – 124 × 15 ~ ? × 8 – 64 × 16 ? × 8 ~ 144 + 900 – 1860 + 1024 ? × 8 ~ 208 ? ~ 26
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)?