5+sin^2α+3cos^2α = 8-2sin^2α prove
Answers
Answered by
1
Step-by-step explanation:
5 + sin²a + cos²a + 2cos²a
= 5+1 + 2(1-sin²a)
=6+2-2sin²a
=8 - 2sin²a
Answered by
1
Answer:
hey mate
here is ur answer
"8-2sin^2a"
Mark as brainlist..
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