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Write the express… - QuestionCove
OpenStudy (anonymous):

Write the expression as the sine, cosine, or tangent of an angle cos 107° cos 42° + sin 107° sin 42° sin 65° cos 65° cos 149° sin 149°

4 years ago
OpenStudy (anonymous):

Use cosA cosB + sinAsinB = cos(A-B)

4 years ago
OpenStudy (anonymous):

can you give me the answer please

4 years ago
OpenStudy (anonymous):

cos149

4 years ago
OpenStudy (anonymous):

thank you

4 years ago
OpenStudy (raden):

that is A+B, not A-B @sachinrajsharma

4 years ago
OpenStudy (raden):

cos(107-42) = cos ?

4 years ago
OpenStudy (raden):

107-42 = ...

4 years ago
OpenStudy (anonymous):

B. cos 65

2 years ago
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