jus4n
Answered

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find x
options;
a) 21√2/2
b) 21√2
c) 21√3/2
d) 7

Find X Options A 2122 B 212 C 2132 D 7 class=

Sagot :

The value of x is  21√2/2

The correct option is (A)

What is Trigonometry?

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

In triangle having angle 60.

sin 60 = P/ 7√3

√3/2= P/7√3

2P= 21

P= 21/2

Now again

cos 45= 21/2/x

1/√2 = 10.5/x

x=  21√2/2

Learn more about trigonometry here:

https://brainly.com/question/26719838

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