14o
21o
32o
39o
Correct answer is B
Sin (5x – 28)o = cos (3x - 50)o
Since by the trigonometry relation
Sin(5x – 28)o = cos[90 – (5x – 28)]o
Hence cos(3x – 50)o = cos[90 – (5x – 28)]o
3x – 50 = 90 - (5x-28)
3x – 50 = 90 – 5x + 28
3x + 5x = 90 + 28 + 50
8x = 168
x=1688=21∘
If log102 = 0.3010 and log103 = 0.4771, simplify: (Log108-log92) ÷ (Log109 - log102)...
Using the venn diagram, find n(x ∩ y1)...
In the diagram, NQ//TS, <RTS = 50o and <PRT = 100o. Find the value of <NPR...
The volume of a cone of height 9cm is 1848cm3. Find its radius. [Take π = 22/7]...
In the diagram, < PSR = 220o, < SPQ = 58o and < PQR = 41o. Calculate the obtuse angle QRS....
Find the limit of y = x3+6x−7x−1 as x tends to 1...
In the figure, PS = SR and Rx is a tangent to the circle at R, < QRX is equal to 72o. ...