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- Special topic on mathematical function of college entrance examination science
Special topic on mathematical function of college entrance examination science
1. The square of both ends is known: the arrangement is 3/2cos2a+2sin2a=0, so divide by cos2aTan2a=-3/4 and choose C.
2.y=sin(2x+？ +π/4) If it is an even function, then:? +π/4=kπ+π/2 So verify? =π/4 choose B.
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