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Let 'A' = '6x' So, B = 6x X (11/6) = '11x' According to question; 8 X 11x - 3 X 6x = 210 Or, 88x - 18x = 210 Or, 70x = 210 So, x = 3 So, A = 6x = 3 X 6 = 18 And, B = 11x = 11 X 3 = 33 So, required value = 18 X 3 + 33 X 2 = 54 + 66 = 120
Find the value of sin265o + sin225o + cos235o + cos255o.
...If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
What is the value of cos75°?
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
Simplify the following trigonometric expression:
12 cos 68o cosec 22o - 3 cot 72o cot 18o
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
If sin3A = cos(5A-30°), then what is the value of A? Given that 3A is an acute angle.
If sinAo = (√3/2), then find the value of (sin245o + cos230o) × A ÷ 5 given that 0 < A < 90...
