যদি tanθ = 1 হয় তবে sinθ - cosθ এর মান কত?

A

1

B

0

C

- 2

D

2cosθ

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সমাধান:

দেওয়া আছে,

tanθ = 1

বা, sinθ/cosθ = 1

∴ sinθ = cosθ


এখন,

sinθ - cosθ

= cosθ - cosθ

= 0

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0

Updated: 1 month ago

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