what are the trigonometric identities? How many trigonometric identities are in total? what are the 3 main trigonometric identities? Can anyone give their examples??
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Sunidhi Gupta
There are mainly 3 Trigonometric Identities :
1. Cos^2 theta + Sin^2 theta = 1
2. 1 + Tan^2 theta = Sec^2 theta
3. 1 + Cot^2 theta = Cosec^2 theta
Hence these are the main trigonometric identities.
Hope it helped
Thank you
You may also check this once If x = 2sin2theta and y = 2cos2theta +1 then x+y is