A Level Mathematics Questionbanks

But sin2x + cos2x (1 and sinxcosx ( sin2x B1. M1. So tanx + cotx ( 2cosec 2x A1 [5] b) M1A1. But sec2x tan2x ( 1 B1. Hence A1 [4] 9. a) i) M1. M1 A1. A1 [4] ii) M1 A1 ( tan (x) A1 [3] b) sin2 cos2 = sin + cos ... ................
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