Sin, cos, tan
Β
Value of sin, cos, tan at different angles
Β
Basic Identities
cos 2 Β ΞΈ + sin 2 Β ΞΈ = 1
1 + tan 2 Β ΞΈ = sec 2 Β ΞΈ
1 + cot 2 Β ΞΈ = cosec 2 Β ΞΈ
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Finding Value of trignometric functions, given other functions
Finding Value of trignometric functions, given other functions
Last updated at March 16, 2023 by Teachoo
Β
Β
cos 2 Β ΞΈ + sin 2 Β ΞΈ = 1
1 + tan 2 Β ΞΈ = sec 2 Β ΞΈ
1 + cot 2 Β ΞΈ = cosec 2 Β ΞΈ
Get live Maths 1-on-1 Classs - Class 6 to 12
In right triangle ABC sinβ‘π= (π πππ πππππ ππ‘π π‘π πππππ π)/π»π¦πππ‘πππ’π π cosβ‘π= (π πππ ππππππππ‘ π‘π πππππ π)/π»π¦πππ‘πππ’π π tanβ‘π= (π πππ πππππ ππ‘π π‘π πππππ π)/(π πππ ππππππππ‘ π‘π πππππ π) coπ ππβ‘π= 1/sinβ‘π π ππβ‘π= 1/cosβ‘π cotβ‘π= 1/tanβ‘π