Mathematics, 08.06.2021 01:20 Farhan54019
Trigonometry. Brainliest to the one who gets ALL of them correct! NEED HELP ASAP
Verify these Identities:
1. cosx−cosxsin²x = cos³x
2. 
= 
3. 
+
= 2+2cot²a
4. cos⁴b−sin⁴b = 1−2sin²b
5. 
= 
6. (secx−tanx)² = 
HELP!!!
Answers: 3
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Trigonometry. Brainliest to the one who gets ALL of them correct! NEED HELP ASAP
Verify these Ident...
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