if sinQ-cosQ=0 then prove that sin^4Q+cos^4Q=1
brunoconti:
resend please. have a solution
Answers
Answered by
10
Answer:
Step-by-step explanation:
answer should be 1/2 and not 1.
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Answered by
1
Answer:
(A) 1/2
Step-by-step explanation:
SinQ - CosQ = 0
therefore, SinQ = CosQ
Hence, Q = 45° (the value of sinQ and cos Q is same at 45°)
sin^4Q+cos^4Q
= (1/)^4 + (1/
)^4
= 1/4 + 1/4
=1 / 2
Hence Proved
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