cos theta cos alpha – sin theta sin alphaGive the identity
cos theta cos alpha – sin theta sin alpha
Give the identity
Kaushal Negi , 5 Years ago
Grade 11
Trigonometry> cos theta cos alpha – sin theta sin alpha...
1 Answers
Arun
Last Activity: 5 Years ago
Dear Kaushal
cos theta cos alpha - sin theta sin alpha = cos ( theta + alpha)
Hope it helps
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