If sin A = cos A, then find the value of sin4A + cos4A.
Class X
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-cos4a-cos2b-sin4a-sin2b1-then-prove-that-i-sin4a-sin4b2-sin2asin2b-ii-cos4b-cos2a-sin4b-sin2a1-39170314
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this will clear ur problem
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your answer is
1/2
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bro I solve mcqs maximum times ....
so I can't explain step by step .
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