Question

some tricks for trigonometry ​

Answer 1

Answer:

Important Short Tricks on Trigonometric Identities

• sin2 θ + cos2 θ = 1.
• tan2 θ + 1 = sec2 θ
• cot2 θ + 1 = cosec2 θ

Step-by-step explanation:

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Answer 2

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Tricks To Remember Trigonometry Table

sin x = cos (90° – x)

cos x = sin (90° – x)

tan x = cot (90° – x)

cot x = tan (90° – x)

sec x = cosec (90° – x)

cosec x = sec (90° – x)

1/sin x = cosec x.

1/cos x = sec x.

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