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If I1=int0^(3pi) f(cos^2x) dx and I2 =in...

If `I_1=int_0^(3pi) f(cos^2x) dx` and `I_2 =int_0^pi f(cos^2x) dx` then (a)` I_1=I_2` (2) `I_1=2 I_2` (3) `I_1=5I_2` (4) `I_1=3I_2`

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If I_(1)=int_(0)^(3 pi)f(cos^(2)x)dx and I_(2)=int_(0)^( pi)f(cos^(2)x)dx then (a)I_(1)=I_(2)(2)I_(1)=2I_(2)(3)I_(1)=5I_(2)(4)I_(1)=3I_(2)

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