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scoray [572]
3 years ago
8

What is the value of cos2 31 degrees-sin2 59 degrees

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
6 0

Answer:

hope this will help you..

riadik2000 [5.3K]3 years ago
3 0

Answer:

0

Step-by-step explanation:

Using the cofunction identity

sin x = cos(90 - x), then

cos²31° - sin²59°

= sin²(90 - 31)° - sin²59°

= sin²59° - sin²59°

= 0

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Researching this problem on the internet, the functions are given as follows:

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