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10 questions
Сhoose the correct equality
A
B
Сhoose the correct equality
A
B
Сhoose the correct equality
A
B
Сhoose the correct equality
A
B
θ= 420. Calculate the third angle Φ
420
1380
580
480
a=4, c=5
cosα=4/5
sinα=4/5
sinα = 5/4
tanβ=4/5
cosβ=4/5
Сhoose the correct equality
w = 28 × cos 400
w = 28 : sin 400
w = 28 × sin 400
w = 28 × tan 400
a=8, b=6, c=10. Сhoose the correct equality
cosα = 0.8
sinβ = 0.8
tanα = 4/3
sinα = 5/4
cos∠A? Сhoose the correct equality.
A
B
C
D
tan∠C? Сhoose the correct equality.
A
B
C
D
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