value of sin270°. explain step by step
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Answered by
1
Answer:
the value of sin270° is -1
Answered by
1
Answer:
-1
Step-by-step explanation:
sin 270 is written as sin (180 + 90)
the rule is sin (180 + @)= -sin @
sin (180 +90 )=-sin 90 "sin 90 =1"
= -1
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