It's just like multiplying and dividing a negative, such as -1 *2=-2 and -2 / 1= -1
if there is one negative then it will be negative, so in this case it will be -7 / 2=
answer= -3 1/2
Answer:
Given:
.
Assuming that
,
while
.
Step-by-step explanation:
By the Pythagorean identity
.
Assuming that
,
.
Rearrange the Pythagorean identity to find an expression for
.
.
Given that
:
.
Hence,
would be:
.
Answer:

Step-by-step explanation:
Given: sin x + cos x
To change the given trigonometry expression in term of sine only.
Trigonometry identity:-
Expression: 
We get rid of cos x from expression and write as sine form.
Expression:

Hence, The final expression is only sine function.