give me solution of question 7-(v)
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Hello!
cot ( - 15π / 4 )
= - cot ( 15π / 4 )
= - cot ( 3 3 / 4 π )
= - cot ( 4π - 1 / 4 π )
= - cot ( - 1 / 4 π )
= cot ( 1 / 4 π )
= cot ( 1 / 4 × 180° )
= cot 45° = 1
Hence,
The required answer for the above question is 1
Cheers!
cot ( - 15π / 4 )
= - cot ( 15π / 4 )
= - cot ( 3 3 / 4 π )
= - cot ( 4π - 1 / 4 π )
= - cot ( - 1 / 4 π )
= cot ( 1 / 4 π )
= cot ( 1 / 4 × 180° )
= cot 45° = 1
Hence,
The required answer for the above question is 1
Cheers!
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