6'2 Sum and difference Identities

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6.2 Sum and difference Identities
cos(A B) cosA cosB sinA sinB
cos(A B) cosA cosB sinA sinB
sin(A B) sinA cosB sinB cosA
sin(A B) sinA cosB sinB cosA
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Find the exact value of cos 75
cos(A B) cosA cosB sinA sinB
cos(3045)
cos30cos45 sin30 sin45
cos75
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Find the exact value of sin
sin(A B) sinA cosB sinB cosA
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Tangent Sum and difference Identities
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Find the exact value of the following
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Find the exact value of the following
DRAW IT OUT, then use the identity !!!!
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5 3 A
-2 B
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cos(A B) cosAcosB sinA sinB
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Find the exact value of sin(A B) if
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sin(A B) sinAcosB sinBcosA
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Homework pg 488 1-25 every other odd