+2 Formula for sin a x sin b [formula for the product of sines] +2

Continue reading# Month: March 2020

## The formula for sec (-a) [formula for the secant of minus a]

+1 The formula for sec (-a) [formula for the secant of minus a] +1

Continue reading## The formula for csc (-a) [formula for the cosecant of minus a]

0 The formula for csc (-a) [formula for the cosecant of minus a] 0

Continue reading## The formula for tan (-a) [formula for the tangent of minus a]

0 The formula for tan (-a) [formula for the tangent of minus a] 0

Continue reading## The formula for cot (-a) [formula for the cotangent of minus a]

0 The formula for cot (-a) [formula for the cotangent of minus a] 0

Continue reading## The formula for cos (-a) [formula for the cosine of minus a]

+1 The formula for sin (-a) [formula for the sine of minus a] +1

Continue reading## The formula for sin (-a) [formula for the sine of minus a]

+1 The formula for sin (-a) [formula for the sine of minus a] +1

Continue reading## The formula for tan (a + b) [formula for the tangent of sum]

0 The formula for tan (a + b) [formula for the tangent of sum] 0

Continue reading## The formula for tan (a – b) [formula for the tangent of difference]

+1 The formula for tan (a – b) [formula for the tangent of difference] +1

Continue reading## The formula for csc (The formula for the cosecant)

+1 The formula for csc (The formula for the cosecant) +1

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