Answer:
- 2
Step-by-step explanation:
3 ( x + 5 ) = 9
x + 5 = 9 / 3
x + 5 = 3
x = 3 - 5
x = - 2
Answer:
Area=80 units squared
A=base*height
A=base*height/2
Step-by-step explanation:
7*8=56/2=28
7*8=56/2=28
3*8=24
28+28+24
56+24
80
Using trigonometric identities, and equality is reached, hence the equality is proved.
<h3>Which trigonometric identity are used to solve this question?</h3>
These three identities are used:
- .
- .
Hence:
Equality is reached, hence the equality is proved.
More can be learned about trigonometric identities at brainly.com/question/24496175
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