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Hi all

Teacher gave me homework that i am having trouble doing it ..

i need help in these two problems which i can't seem to solve.

how can i prove the following :

@= theta

[email protected] + [email protected]

and

COS^[email protected] - [email protected]

my try is in the attach file

Teacher gave me homework that i am having trouble doing it ..

i need help in these two problems which i can't seem to solve.

how can i prove the following :

@= theta

__[email protected] + [email protected]__= [email protected]@[email protected] + [email protected]

and

__sin^[email protected] - [email protected]__= tan^[email protected]COS^[email protected] - [email protected]

my try is in the attach file

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