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for which value alue of theta does cos n sin hav same v

for which value alue
of theta does cos n sin hav same v

Grade:10

1 Answers

Arun
25750 Points
6 years ago
When we drawa the graph of sin x and cos x,
We see that they both cut at regular interval
First value of angle 45°
Second value of angle = 225 °
Hence 
Sinx and cosx is equal for every angle for the value
n\pi + \pi/4

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