Question

write all the trigonometric formulaes
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Answer 1

trigonometric formulaes -

Answer ==>

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Answer 2

sinA= opposite/hypotenuse

cos A= adjacent/hypotenuse

tanA=opposite/adjacent

cosecA=hypotenuse/opposite

secA=hypotenuse/adjacent

cotA=adjacent/opposite

sin2A+cos2A=1

1+tan2A=sec2A

1+cot2A=cosec2A

sin(90-A)=cosA

cos(90-A)=sinA

tan(90-A)=cotA

cosec(90-A)=secA

sec(90-A)=cosecA

cot(90-A)=tan A

sinA=1/cosecA

cosecA=1/sinA

cosA=1/secA

secA=1/cosA

cotA=1/tanA

tanA=1/cotA

tanA=sinA/cosA

cotA=cosA/sinA

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