plese friends give me the trigonometric identities........
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The most important trigonometric identities are:
1.cos^2 A + sin^2 A=1
2. 1 + tan^2 A=sec^2 A
3. Cot^2 A + 1 =cosec^2 A
........ Hope it helps you.....
1.cos^2 A + sin^2 A=1
2. 1 + tan^2 A=sec^2 A
3. Cot^2 A + 1 =cosec^2 A
........ Hope it helps you.....
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