Prove that sin50° - sin70°

Prove thatsin50° - sin70° + sin10° = 0
1. 0 answers
2. asked by Kewal
3. 493 views
(Cos70-cos50)÷(sin70-sin50) =-√3
1. 1 answer
2. 60 views
Show that sin70°+sin50°= √3cos0°
1. 1 answer
2. 51 views
the triangle CDE, m<D=90 degrees, m<C=50 degrees, and ED=23. Which equation could be used to find CE?1. sin50=CE/23 2.
1. 1 answer
2. asked by B8
3. 543 views
[Cos70°- cos60°]÷[sin 70°- sin50°]= -√3
1. 1 answer
2. 56 views
(Cos 70+cos20)÷ (sin70+sin20)
1. 1 answer
2. 47 views
cos45cos25 - sin 45sin25 = ??a. cos70 b. sin70 c. cos 20 d. sin 20 which answer is correct ?
1. 1 answer
2. asked by Don
3. 602 views
If 𝑎 = sin70°,𝑏 = cos70°,𝑐 = tan70°,𝑑 = 1 , order them from the largest to the smallest.
1. 3 answers
2. asked by Anonymous
3. 118 views
In right triangle ABC, ∠C is a right angle, m∠B=70∘, and AB=13.sin70∘≈0.94 cos70∘≈0.34 tan70∘≈2.75 What is the
1. 1 answer
2. asked by anon
3. 1,980 views
sin45cos25 + cos45sin25 = ??a. cos70 b. sin70 c. cos20 d. sin 20 which answer is correct ??
1. 3 answers
2. asked by Don
3. 442 views