Trigo Problem Sheet-1

1 6 tan2 tan4 13 solve for sin 30 cos 60

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Unformatted text preview: x − 2by + (a2 + b2 − r2 ) = 0. 11. Prove that cos 120◦ + 12. Prove that tan 4θ = √ 3 tan 30◦ = sin 30◦ . 4 tan θ − 4 tan3 θ . 1 − 6 tan2 θ + tan4 θ 13. Solve for θ, sin (θ + 30◦ ) = cos (θ + 60◦ ). 14. Prove that cos 2θ + sin 2θ − 1 = tan θ. cos 2θ − sin 2θ + 1 15. If tan 2θ = 5 , calculate the possible value(s) of sin θ. 12 UPCSE Core Mathematics Problem Solving Classes Week 0 2 12 . 5 30 Hence find the maximum and minimum values of f (x), where f (x) = . 17 + 5 cos...
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This note was uploaded on 03/26/2013 for the course SENG 1 taught by Professor Mf during the Spring '13 term at UCL.

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