Evaluate Sin28 cos42+ cos28 cos48
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Answered by
0
Answer:
vh764
Step-by-step explanation:rfyfy43igrougryfhfkgcbfjribfrjlgbtrkgktwrtgghthh
Answered by
1
Answer:
I think last me cos(42) hoga
Step-by-step explanation:
Use formula :
Sin(A+B) = Sin(A)cos(B) + sin(B) cos(A)
regarding this
Sin28 cos42+ cos28 cos42 = sin(42+28)
= sin(70)
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