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If sintheta1+sintheta2+sintheta3, then c...

If `sintheta_1+sintheta_2+sintheta_3,` then `costheta_1+costheta_2+costheta_3` is equal to 3 (b) 2 (c) 1 (d) 0

A

3

B

2

C

1

D

0

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D
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -CRITICAL THINKING
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  4. If sec theta - tan theta =(a+1)/(a-1), then cos theta =

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  10. If A is an obtause angle, then (sin^(3)A-cos^(3))/(sinA-cosA)+(sinA)/(...

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  11. x/acostheta+y/bsintheta=1, x/asintheta-y/bcostheta=1 then x^2/a^2+y^...

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  12. If xsin^3alpha+ycos^3alpha=sinalpha cos alpha and xsinalpha-ycosalpha...

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  14. IF tan ^(2) alpha tan ^(2) beta + tan ^(2) beta tan ^(2) gamma + tan ^...

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  15. If p=(2sin theta)/(1+cos theta+sin theta), and q=(cos theta)/(1+sin th...

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  17. If sintheta1+sintheta2+sintheta3, then costheta1+costheta2+costheta3 i...

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