if sin x + codec x=2 then the value of sin10x + cosec10x is equal to
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Answer:
Step-by-step explanation:
sinx+cosecx=2
⇒sinx+
sinx
1
=2
⇒sin
2
x+1=2sinx
⇒sin
2
x−2sinx+1=0
⇒(sinx−1)
2
=0
⇒sinx=1
cosecx=1
sin
10
x+cosec
10
x=2
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