a) 2(1-cos\(\frac{1}{\sqrt{2}}\))
b) (cos\(\frac{1}{\sqrt{2}}\)-cos1)
c) 2(cos\(\frac{1}{\sqrt{2}}\)+1)
d) (cos\(\frac{1}{\sqrt{2}}\)+cos1)
Find \(\int_{π/4}^{π/2} \,2sinx \,sin(cosx) \,dx\).
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answerhappygod
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Find \(\int_{π/4}^{π/2} \,2sinx \,sin(cosx) \,dx\).
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