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Popular >

csc^2(30)-cot^2(45)

Solution

csc^{2} (3 0^{\circ}) - cot^{2} (4 5^{\circ})

Solution

3

Solution steps

csc^{2} (3 0^{\circ}) - cot^{2} (4 5^{\circ})

Use the following trivial identity:

csc (3 0^{\circ}) = 2

Use the following trivial identity:

cot (4 5^{\circ}) = 1

= 2^{2} - 1^{2}

Simplify

= 3

Popular Examples

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sqrt(61^2+63^2-2*61*63*cos(142))

6 1^{2} + 6 3^{2} - 2 \cdot 61 \cdot 63 \cdot cos (14 2^{\circ})

Frequently Asked Questions (FAQ)

What is the value of csc^2(30)-cot^2(45) ?
The value of csc^2(30)-cot^2(45) is 3