Pure Math 30 - Berkner's Base for Physics and Math
[2 marks] Write an alternate form of each of the following statements. [4 marks] a. (tan x)(sec x) b. cos2x – sin2x. c. tan A sin A d. 2cos x sec x – tan x cot x. Simplify the following. [7 marks] sin (90( + A) cos (B – 90() cos 150( cos 20( – sin 150( sin 20(Find the exact value of the following. [4 marks] sin ((/12) cos (15() cos (11(/12) ................
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