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What are the values of sin 30, sin 60, sin 45, and sin 90 in

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What is the value of sin(90)? - Quora

What is the difference between sin(90) = 0.893996664 and sin(90) = 1? - Quora

What equation/process do you need to know to find the exact value of trig expressions such as sin 45 + cos 60, my teacher only lectures and doesn't let us practice in

What is the value of sinA+sin(120+A)+sin(A-120)? - Quora

find the value of sin0°+sin30°+sin45°+sin60°​

What is the value of sin 45? - Quora

What is the value of sin 53? - Quora

How do we calculate sin (a+60)-sin (a-60)? - Quora

How can find the value of sin 2pi/7 + sin 4pi/7 +sin 8pi/7? - Quora