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PLEASE PLEASE HELP simplify: tan²a (2 cos²a + sin²a − 1)

PLEASE PLEASE HELP simplify: tan²a (2 cos²a + sin²a − 1)
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1 vote
PLEASE PLEASE HELP

simplify:
tan²a (2 cos²a + sin²a − 1)

User Muharrem
by
8.0k points

1 Answer

4 votes

Answer:

we can describe this by using the formulas of Trigonometric functions..........Thank u.....

User Keshav Jha
by
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