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Condense and evaluate the following expressions using identities:
1. cos pi/3 * co...
Mathematics, 10.12.2020 20:10 ndndndjdjdjdn
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Condense and evaluate the following expressions using identities:
1. cos pi/3 * cos (5pi)/6 - sin pi/3 * sin (5pi)/6
3. (tan 122 degrees - tan 32 degrees)/(1 + tan 122 degrees * tan 32 degrees)
4. 2sin 15 degrees * cos 15 degrees
You don’t have to answer all of them but it would be cool
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