Trigonometric Identities
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Trigonometric Identities. Pythagoras's theorem sin2 θ + cos2 θ = 1. (1). 1 + cot2 θ = cosec2θ. (2) tan2 θ + 1 = sec2 θ. (3). Note that (2) = (1)/ sin2 θ and (3) ...
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Trigonometric Identities. Pythagoras's theorem sin2 θ + cos2 θ = 1. (1). 1 + cot2 θ = cosec2θ. (2) tan2 θ + 1 = sec2 θ. (3). Note that (2) = (1)/ sin2 θ and (3) ...
Trigonometric Identities. The six trigonometric functions. The six trigonometric functions/Reciprocals. Reciprocals. Reciprocals Identities. Identities.
Trigonometric identities are equations that involve trigonometric functions and hold true for all values of the variables involved.