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Prove that sec⁴@- sec²@=tan²@+tan⁴@

+3 votes

asked Mar 6, 2019 in Mathematics by kratos

Prove that sec⁴@- sec²@=tan²@+tan⁴@

class 10 maths
ncc
class 10
modern physics
trigonometry
icse
chemical reactions and equations
current electricity

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1 Answer

+1 vote

answered Aug 9, 2020 by kratos

Best answer

LHS=sec^[email protected]^[email protected]

=sec^[email protected](sec^[email protected])

=((1+tan^[email protected])(1+tan^[email protected])

=tan^[email protected]+tan^[email protected]=RHS

Proved

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