prove that 1‐tan²A/1+tan²A=1-sin²A
Answers
Answered by
1
Step-by-step explanation:
शत्रु ष,जब पथारिये में ही दौलत के कवकव टीम गव
Answered by
2
Answer:
1-tan^2A/ 1+tan^2A=cos^2A- sin^2A
WHICH IS cos2A = 1- 2sin^2A
I think it's not 1- sin^2A
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