mamadragondinta mamadragondinta

17-04-2017
Mathematics

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Which pair are equal trig values? A) tan 45° and sin 45° B) sin 40° and sin 50° C) sin 36° and cos 54° D) cos 65° and sin 65°

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taskmasters taskmasters

27-04-2017

The values of the simplified or solved trigonometric functions that are equal are sin and cos, given that the angles are complementary. From the choices above, the answer would be letter C.
sin 36° = 0.5877
cos 54° = 0.5877
It can also be observed that 36° and 54° will sum up to 90°.

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