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Can someone please help me with these two questions.
Th first one is prove:
1-tan^2x
________ = cos2x
1+tan^2x
& the second one is
prove:
sinx+ sinxcot^2 = secx
Th first one is prove:
1-tan^2x
________ = cos2x
1+tan^2x
& the second one is
prove:
sinx+ sinxcot^2 = secx