Find the exact value of each expression, leaving your answer in surd form where necessary: (a) cos 40° cos 50° – sin 40° sin 50° (b) sin 37° cos 7° – cos 37° sin 7° i wish to know how we find the values of non special trigonometric angles like 15 , 25 ,1 7 like dat?

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation:

lo98765432wqasdfghjkloi87654567890

step-by-step explanation: