how to find value of sin (-45°)
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Answer:
sin(-45°)= -sin45° = - 1/√2
Step-by-step explanation:
as the graph shows,negative value of angle is 360°-angle which gives negative value for sine ratio unlike cosine ratio |
|
hence,it gives the value -sin45° ---------------|\----------------
as sin45° = 1/√2 | \ ) -45°
sin(-45°) = - 1/√2 | \
hence found//
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