If cos theta = 0 then Theta = 90°. Please explain how?
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Patterns of right triangles. ... All triangles have 3 angles that add to 180 degrees. Therefore, if one angle is 90 degrees we can figure out Sin Theta = Cos (90 - Theta) and Cos Theta = Sin (90 - Theta).
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Answer:
as we can say that cos 90-theta =0 ...as sometimes we also shw that sin theta = cos (90-theta
IN OTHER WORDS WE CAN SAY THAT THE SIN OF AN ANGLE EQUAL THE CONSINES OF ITS COMPLIMENT
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