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evablogger [386]
3 years ago
8

Find the angle measure that makes the statement true. Sin 25° = Cos ____ °

Mathematics
1 answer:
givi [52]3 years ago
5 0
Since the sine and cosine functions are cofunctions, they are complementary. The format for this is that sinx=cos(90-x). This works for secant and cosecant and tangent and cotangent. So, sin25°=cos65°.
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Answer:

the answer will be y=1

Step-by-step explanation:

If you plug in (3x-5) in for y in the 6x+3y=15, you will get 6x+9x-15=15. Add the like terms (6x+9x) and get 15x. Bring the -15=15 down. Add 15 to the other 15 on the other side of the equal sign, bring 15x down and then divide 15 by 30 and get x=2. Plug in 2 for x in the (3x-5) equation, then solve and the answer will be y=1.

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