Sin 18 degrees is the value of sine trigonometric function for an angle equal to 18 degrees. Understand methods to find the value of sin 18 degrees with examples and FAQs.
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sin18∘co72∘ Q. Value of sin 18 Q.The value ofsin78∘−sin18+cos132∘is Q.Find the value : sin78∘−sin18∘+sin30∘−sin42∘ Q.Find the value ofsin18∘cosec54∘cosec36∘sec72∘cos54∘cos
=0Dividing both sides by cos A = cos 18°=0,we get=2 sin - 4 (1 - sin^2 A)+ 3=0= 4 sin^2 A + 2 sin A - 1 = 0, which is a quadratic in sin ATherefore, sin = 2± 2(4)= sin = 8 sin == sin = Now sin 18° is positive, as 18° lies in first quadrant. Th...
Find the principal solution of the equation cos x=-1/2 01:11 Solve sin 2x+cos x=0 02:44 sec^(2)2x=1-tan2x 04:37 Solve for theta,2 cos^2 theta+sin theta-1=0,0 le theta le pi/2 03:18 Convert the following radian into degree measure(4pi)/5 01:31 Convert the following rad...
The value of sin 18^(@) is 04:47 If the foot of the perpendicular drawn from the point (0,0,0) to the p... 03:02 int(x^(2)+1)/(x^(4)-x^(2)+1)dx= . . . 05:32 If x^(2) = e^(x-y) , then (dy)/(dx) at x = 1 is …….. 02:16 If A=[(1+2i,i)...
2.1.1659 Part 1 Section 22.1.2.27, degHide (Hide Degree) 2.1.1660 Part 1 Section 22.1.2.28, den (Denominator) 2.1.1661 Part 1 Section 22.1.2.30, dispDef (Use Display Math Defaults) 2.1.1662 Part 1 Section 22.1.2.32, e (Element (Argument)) 2.1.1663 Part 1 Section 22.1.2.34...
2.1.131 Part 1 Section 17.4.18, header (Header Cell Reference) 2.1.132 Part 1 Section 17.4.19, headers (Header Cells Associated With Table Cell) 2.1.133 Part 1 Section 17.4.20, hidden (Hidden Table Row Marker) 2.1.134 Part 1 Section 17.4.21, hideMark (Ignore End Of Cell Mar...
How do you find the exact value of (sin (2pi))/(3)? Find the exact value of the expression. cos 120 degree cos 30 degree + sin 120 degree sin 30 degree Find the exact value of sin 495 Find the exact value. sin( \frac{11\p...
Find the value ofsin(π7)sin(2π7)sin(4π7)= View Solution Find the value ofsin18∘ View Solution Find the value of :sin−1(sin(5π4)) View Solution Find the value ofsin−1(sin.5π3). View Solution The value ofcosecπ18−4sin(7π)18is ...