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Prove that :-- Cos ø - Sin ø = sec 2ø- tan 2ø cos ø + Sin ø

Prove that :-- Cos ø - Sin ø = sec 2ø- tan 2ø cos ø + Sin ø

Grade:12

1 Answers

Ashutosh nayak
59 Points
5 years ago
Sec2ø-tan2ø=(1-cos2ø)/sin2ø=(cosø-sinø)^2/cos^2ø-sin^2ø=cosø-sinø/cosø+sinø(proved)you have to only remember formula

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