Prove that: 8[1+sin(pi/8)][1+sin(3pi/8)][1-sin(5pi/8)][1-sin(7pi/8)] = 1
![Prove that: 8[1+sin(pi/8)][1+sin(3pi/8)][1-sin(5pi/8)][1-sin(7pi/8)] = 1](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinGiOEaD5LPLqioiclipXvWEh8E5qSkBGwjNqIAtw0LjlC5ZpiCgwAGGCj53_TiIRRs6-n_Uq_8iH-vDjhMt9xytukA2QzZaedzC0_hwpVoO2qe45Cn6Dmm0oIYOz_dkS5aA-ee6BnzIim/s72-c/coollogo_com-4440765.png)
SUBSCRIBE TO OUR NEWSLETTER
You May Also Like
Transform the equation x/a + y/b = 1 into normal form and hence show that 1/a^2 + 1/b^2 = 1/p^2. Soln: ...
Q. Find the angle between the lines represented by the equation (x^2 + y^2)sin^2a = (xcosa – ysina)^2. Soln: (x^2 + y^2)sin2a = (xcosa – ysina)^2 x2sin2a + y2sin2a = x2cos2a – 2xycosa.sina + y2sin2a (sin2a – cos2a)x2 + 2x ...
Solve: tan(theta)+tan2(theta)+root3tan(theta)tan2(theta) = root(3) [ 0 degree <= theta <=360 degree] Soln: ...
Q. Prove that: (cos5a.sin2a-cos4a.sin3a)/(sin5a.sin2a-cos4a.cos3a) = cot2a Soln: L.H.S. = (cos5a.sin2a-cos4a.sin3a)/(sin5a.sin2a-cos4a.cos3a) Multiply numerator and denominator by 2. = 2(cos5a.sin2a - ...
Q. Prove the following: 1+3cos(theta)-4cos^3(theta)/1-cos(theta) = (1+2cos(theta))^2 Soln: ...