
Grade 11Trigonometry
If a vector A makes an angle alpha with +ve x-axis, an angle beta with +ve y-axis, and an angle gama with +ve z-axis, then proof that: sin^alpha + sin^beta + sin^gama = 2
If a vector A makes an angle alpha with +ve x-axis, an angle beta with +ve y-axis, and an angle gama with +ve z-axis, then proof that: sin^alpha + sin^beta + sin^gama = 2




