Question

find
the value
of 2 tan 45
- 2
sin 30°

Answer 1

Tan 45 = 1

Sin 30 = $\frac{1}{2}$

so now

$2 \times 1 - 2 \times \frac{1}{2}$

$2 - 1$

$1$

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Answer 2

2 tan 45º – 2 sin 30° = 1

Given :

The expression 2 tan 45º – 2 sin 30°

To find :

The value of the expression

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is 2 tan 45º – 2 sin 30°

Step 2 of 2 :

Simplify the given expression

We know that tan 45º = 1 , sin 30° = 1/2

Thus we get

2 tan 45º – 2 sin 30°

$\displaystyle \sf{ = 2 \times 1 - 2 \times \frac{1}{2} }$

$\displaystyle \sf{ = 2 - 1 }$

$\displaystyle \sf{ = 1 }$

Correct question : Find the value of 2 tan 45º – 2 sin 30°

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