Sine and cosine

Tangent

Cotangent

Product of tangent and cotangent

Tangent and cosine

Cotangent and sine

Sine of sum of angles

Sine of difference of angles

Cosine of sum of angles

Cosine of difference of angles

Tangent of sum of angles

Tangent of difference of angles

Sine of double angle

Cosine of double angle

Cosine of double angle

Cosine of double angle

Tangent of double angle

Cotangent of double angle

Cotangent of double angle

Sum of sines (sum to product)

Difference of sines (difference to product)

Sum of cosines (sum to product)

Difference of cosines (difference to product)

Product of sine and cosine

Product of sines

Product of cosines

Power reduction for sine

Power reduction for cosine

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It is known that:

=

Tangent

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It is known that:

=

Cotangent

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It is known that:

=

Product of tangent and cotangent

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It is known that:

=

Tangent and cosine

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It is known that:

=

Cotangent and sine

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It is known that:

=

Sine of sum of angles

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It is known that:

=

Sine of difference of angles

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It is known that:

=

Cosine of sum of angles

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It is known that:

=

Cosine of difference of angles

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It is known that:

=

Tangent of sum of angles

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It is known that:

=

Tangent of difference of angles

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It is known that:

=

Sine of double angle

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It is known that:

=

Cosine of double angle

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It is known that:

=

Cosine of double angle

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It is known that:

=

Cosine of double angle

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It is known that:

=

Tangent of double angle

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It is known that:

=

Cotangent of double angle

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It is known that:

=

Cotangent of double angle

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It is known that:

=

Sum of sines (sum to product)

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It is known that:

=

Difference of sines (difference to product)

Find
It is known that:

=

Sum of cosines (sum to product)

Find
It is known that:

=

Difference of cosines (difference to product)

Find
It is known that:

=

Product of sine and cosine

Find
It is known that:

=

Product of sines

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It is known that:

=

Product of cosines

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It is known that:

=

Power reduction for sine

Find
It is known that:

=

Power reduction for cosine

Find
It is known that:

=