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# I am struggling to understand these questions. If possible I would appreciate seeing the steps to get these

questions. Thanks!  Pre-Calculus 12
Unit 6 Send-In Assignment
SCIDES
g) Find the exact value of cos( A - B) given:
tan A = - if angle A is in quadrant 1 and cos B = -- if angle B is in quadrant 3.
COSACOSB + SinAsinB
Cos B2 - ZX
3
g)
3 marks
8. Write the following as a single trigonometric function.
a) cos 24 sin 24
Sin 29 = 2sinacose
1/ 2sin(8 )
(os ( 24 ) sin( zy )
Sin(24 ) (0s(24)
Yzsin ( 2. 24 )
b) 1 - 2sin 2 7
2 marks
6
b )
Version 1
2 marks
Page 8 of 12
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g) we need to find exact value of cos ( A B ) given that tan ( A ) = 5 2 if A is 1st quadrant and ... View the full answer

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