Mathematics, 08.12.2020 01:10 OKgoogle

PLEASE HELP!! 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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PLEASE HELP!! Condense and evaluate the following expressions using identities: 1. cos pi/3 * cos (...