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velikii [3]
2 years ago
9

1) Find the value for a that makes sin a = cos 25 true A ) 35 B) 65 D ) 155

Mathematics
1 answer:
svet-max [94.6K]2 years ago
6 0

Answer:

B

Step-by-step explanation:

Using the cofunction identity

sin(90 - x)° = cosx°

Here x = 25° , then

cos25° = sin(90 - 25)° = sin65°

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