sin 15°+sin 75°=? solve this function
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Hey user !!
Here is your answer !!
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Given ->sin15°+sin75°
Solution ->Using the identity
sina+sinb=2sin(a+b)/2*Cos(a-b)/2
2sin(75°+15°)/2*Cos(75°-15°)/2
2sin(90°)/2*Cos(60°)/2
2Sin45°*Cos30°
(Sin45°=1/√2,Cos30°=√3/2)
2*1/√2*√3/2
√3/√2
It is the required answer !!
Hope it is satisfactory :-)
____________________________________
Here is your answer !!
____________________________________
Given ->sin15°+sin75°
Solution ->Using the identity
sina+sinb=2sin(a+b)/2*Cos(a-b)/2
2sin(75°+15°)/2*Cos(75°-15°)/2
2sin(90°)/2*Cos(60°)/2
2Sin45°*Cos30°
(Sin45°=1/√2,Cos30°=√3/2)
2*1/√2*√3/2
√3/√2
It is the required answer !!
Hope it is satisfactory :-)
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Anonymous:
give good answers or ur account will be jeopardy
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