Sec 50 sin 40 +cos 40 cosec 50
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Step-by-step explanation:
ans is 2
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If a+ b = 90 degree than sina sec b = 1
And cos a . Cosec b = 1
So ans is 1+1 = 2
Please mark as brainliest
And cos a . Cosec b = 1
So ans is 1+1 = 2
Please mark as brainliest
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